PageSourceSearch

https://www.iers.org/inhaltsverzeichnis

html iers.org collected 2026-10-01 08:42:07 UTC 137,479 bytes, 3,663 lines download raw bytes

1<!DOCTYPE html>
2<html lang="en" class="no-js">
3<head>
4    <meta charset="utf-8">
5
6<!-- 
7	=========================================================================================
8	Uses GSB 11 https://software.opencode.de/project/2460
9	=========================================================================================
10
11	This website is powered by TYPO3 - inspiring people to share!
12	TYPO3 is a free open source Content Management Framework initially created by Kasper Skaarhoj and licensed under GNU/GPL.
13	TYPO3 is copyright 1998-2026 of Kasper Skaarhoj. Extensions are copyright of their respective owners.
14	Information and contribution at https://typo3.org/
15-->
16
17
18<title>Sitemap - IERS</title>
19<meta http-equiv="x-ua-compatible" content="IE=edge">
20<meta name="generator" content="GSB11">
21<meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1">
22<meta name="robots" content="index,follow">
23<meta name="apple-mobile-web-app-capable" content="no">
24
25
26<link rel="stylesheet" href="/_assets/2cc2b3842a6bf65d4bbef6ad377cbd88/StyleSheets/screen.css?1788163776" media="all" integrity="sha256-to9F7meSA8D6Sn+ueSupLae8UFkjUmxuIF+rTFBoWG8=">
27<link rel="stylesheet" href="/_assets/2cc2b3842a6bf65d4bbef6ad377cbd88/StyleSheets/print.css?1788163776" media="print" integrity="sha256-kLhhdOiEZSj7s4MqOlbQKZWrRQtqY3e7acjs6zndUm8=">
28<link rel="stylesheet" href="/_assets/2cc2b3842a6bf65d4bbef6ad377cbd88/StyleSheets/navigationPrimary.css?1788163776" media="all" integrity="sha256-PX9rI3W3N360aVSjiWVdLOxvPybWEU0orbT3wvUCUlQ=">
29<link rel="stylesheet" href="/_assets/76f10eee146e450e64a6aac7fdeee007/StyleSheets/solr.css?1788163532" media="all" integrity="sha256-+cxpuKe1Wr8Hk8wiUl+Q3PjuYf2J7FS6M47imSykybE=">
30<style integrity="sha256-VAn5pPIIeA3sfgT6RZkOhqmb0JpX5NOaOatPq4vGQ5M=">
31        :root {
32        --bs-quaternary: #F7EFC5;
33            
34                --bs-tertiary: #ECF4F6;
35            
36                --bs-secondary: #013849;
37            
38                --bs-primary: #066786;
39            
40                --bs-focus-ring-color: rgb(from var(--bs-secondary)r g b / 5%);
41            
42            
43                --bs-bgcolor-4: #ecebeb;
44            
45                --bs-bgcolor-6: #F7EFC5;
46            
47                --bs-bgcolor-5: #088484;
48            
49                --bs-bgcolor-3: #013849;
50            
51                --bs-bgcolor-2: #ffffff;
52            
53                --bs-bgcolor-1: #000000;
54        }
55    </style>
56<style integrity="sha256-UFXzW4k5ICncK5C0nP+lwsban6V1seQqfE1TtSFONIs=">
57        @font-face { font-display: swap; font-family: "GSBPublicSans"; font-style: normal; font-weight: 400; src: url(/_assets/3eadcd930e66a55206259b33cd6bd978/Fonts/BundesSans-Web-Regular.woff2?1781700809) format("woff2"); }
58    </style>
59<style integrity="sha256-fL4HwgfYi278S5/tyD2gx14/a1qkb5V+UGx0oJM1Hf0=">
60        @font-face { font-display: swap; font-family: "GSBPublicSans"; font-style: italic; font-weight: 400; src: url(/_assets/3eadcd930e66a55206259b33cd6bd978/Fonts/BundesSans-Web-RegularItalic.woff2?1781700809) format("woff2"); }
61    </style>
62<style integrity="sha256-RNJNBOhj3tTTiH5gbf3wC61GxBXQhxMe9qUXP5wIDu0=">
63        @font-face { font-display: swap; font-family: "GSBPublicSans"; font-style: normal; font-weight: 700; src: url(/_assets/3eadcd930e66a55206259b33cd6bd978/Fonts/BundesSans-Web-Bold.woff2?1781700809) format("woff2"); }
64    </style>
65<style integrity="sha256-6Axq/cYE43EYjyFAhnXvawO/Y88g41Qli0pWEK4u9Dk=">
66        @font-face { font-display: swap; font-family: "GSBPublicSans"; font-style: italic; font-weight: 700; src: url(/_assets/3eadcd930e66a55206259b33cd6bd978/Fonts/BundesSans-Web-BoldItalic.woff2?1781700809) format("woff2"); }
67    </style>
68<style integrity="sha256-CATgNmpBVAKIGRIpIoN9lZACBnhyVeCXrzeMaG5zDTM=">
69        @font-face { font-display: swap; font-family: "GSBPublicSans"; font-style: normal; font-weight: 500; src: url(/_assets/3eadcd930e66a55206259b33cd6bd978/Fonts/BundesSans-Web-Medium.woff2?1781700809) format("woff2"); }
70    </style>
71<style integrity="sha256-md0aF6GeJbK+SWjv8nnysw8OW0jaEY6tm8Gd0eDawDE=">
72        @font-face { font-display: swap; font-family: "GSBPublicSerif"; font-style: normal; font-weight: 400; src: url(/_assets/3eadcd930e66a55206259b33cd6bd978/Fonts/BundesSerif-Web-Regular.woff2?1781700809) format("woff2"); }
73    </style>
74<style integrity="sha256-sqPmnAA7x9KSuKrclmmxrSEJko8UQEsoHCSw2Dzfam4=">
75        @font-face { font-display: swap; font-family: "GSBPublicSerif"; font-style: italic; font-weight: 400; src: url(/_assets/3eadcd930e66a55206259b33cd6bd978/Fonts/BundesSerif-Web-Italic.woff2?1781700809) format("woff2"); }
76    </style>
77<style integrity="sha256-88MWg+0/dMfYcfJ1rRqZNah5V240N3bKc46R5tItS0k=">
78    :root {
79    --bs-font-sans-serif: GSBPublicSans, "Helvetica Neue", helvetica, arial, sans-serif;
80    }
81</style>
82<style integrity="sha256-LUpp4F+nfIXWsIb7cRGg8UlRb5r8IzvC+L6KEhHLRdg=">
83    :root {
84    --bs-font-serif: GSBPublicSerif, "Helvetica Neue", helvetica, arial, sans-serif;
85    }
86</style>
87
88
89
90<script integrity="sha256-969ZQA3Eg9hgH6n3PHYjz+SH386CEGt8+vsiC/mtiCU=">
91    window.gsbConsentScripts = window.gsbConsentScripts || [];
92
93    
94
95
96</script>
96
97
98<link rel="prev" href="/iers/en/service/dataprivacystatement/dps"><link rel="next" href="/suche">
99    
100
101    
102            
103            
104                <link href="/fileadmin/user_upload/Icons/Favicon/android-icon-96x96.png" rel="shortcut icon">
105            
106            
107            
108                <link href="/fileadmin/user_upload/Icons/Favicon/apple-icon-180x180.png" rel="apple-touch-icon" sizes="180x180">
109            
110            
111                <link href="/fileadmin/SharedDocs/Publikationen/EN/IERS/Workshops/T_Feissel-Vernier.pdf" rel="manifest">
112            
113        
114
115    <meta content="IERS" name="apple-mobile-web-app-title">
116
117    
118
119    
120
121
122
123
124
125
126
127
128
129
130
131
132    
133
134    
135    
136    
137    
138    
139    
140    
141    
142    
143
144    
145
146
147<link rel="canonical" href="https://www.iers.org/inhaltsverzeichnis">
148</head>
149<body id="top" class="page-14 lang-en default layout-default second-logo-default complete-logo-2283 navtype-0 simple-language-page gsb">
150
151
152
153
154
155    
156    
157
158
159
160    
161    
162
163
164
165
166<div class="skipnav"><a href="https://www.iers.org/inhaltsverzeichnis#mainContent">Jump to content</a></div>
167
168<div class="layer"></div>
169
170<header class="header-wrapper fixed-top">
171    
172    <div class="header-wrapper-bg flex-wrap">
173        <div class="container position-relative">
174            
175
176            
177            
178                
179    
180
181    <div class="row align-items-start flex-nowrap">
182        
183
184
185
186    
187
188    <div class="col logo">
189
190        
191                <a title="Link to Homepage" href="/">
192                    
193    
194            
195                <img class="img-fluid logo-complete-big d-none d-lg-block" src="/fileadmin/user_upload/Logos/logo-IERS-mit-Wortmarke.svg" width="220" height="47" alt="">
196            
197            
198                <img class="img-fluid logo-complete-small d-block d-lg-none" src="/fileadmin/user_upload/Logos/logo-IERS-mit-Wortmarke.svg" width="150" height="32" alt="">
199            
200        
201
202                    <span class="visually-hidden">Link to Homepage - IERS</span>
203                </a>
204            
205    </div>
206
207
208
209
210        
211    
212    
213        <div class="col meta-desktop d-none d-lg-block">
214            <nav class="meta-item" aria-labelledby="metaItem">
215                <div id="metaItem" hidden>Service navigation Header</div>
216                <ul class="metanav nav justify-content-end">
217                    <li class="nav-item">
218                        
219
220
221
222
223
224
225        
226            
227    
228
229        
230    
231
232
233
234                    </li>
235                    
236                        <li class="nav-item ">
237            
238                    <a class="nav-link meta-1258" href="/iers/en/service/faqs/faq">
239                        <span>FAQs</span>
240                    </a>
241                
242        </li>
243    
244                    
245                        <li class="nav-item ">
246            
247                    <a class="nav-link meta-363" href="/iers/en/service/acronyms">
248                        <span>Acronyms</span>
249                    </a>
250                
251        </li>
252    
253                    
254                        <li class="nav-item ">
255            
256                    <a class="nav-link meta-364" href="/iers/en/service/glossary/functions/glossary">
257                        <span>Glossary</span>
258                    </a>
259                
260        </li>
261    
262                    
263                        <li class="nav-item ">
264            
265                    <a class="nav-link meta-1263" href="/iers/en/service/registrationsubscription/registersubscript">
266                        <span>Subscription</span>
267                    </a>
268                
269        </li>
270    
271                    
272                        <li class="nav-item ">
273            
274                    <a class="nav-link meta-1371" href="/iers/en/service/registrationsubscription/login">
275                        <span>Login</span>
276                    </a>
277                
278        </li>
279    
280                    
281                </ul>
282            </nav>
283        </div>
284    
285
286    
287    
288
289
290    </div>
291
292    <div class="row align-items-center">
293        
294    
295
296    <nav aria-labelledby="mainmenu" class="main-menu-layer dropdown flex-shrink-1 d-lg-none" id="main-menu">
297        <div aria-level="2" class="visually-hidden" id="mainmenu" role="heading">Main navigation</div>
298        
299        <button class="navbar-toggler ms-auto" data-bs-auto-close
299="outside" data-bs-boundary="scrollParent" data-bs-display="static" data-bs-reference="parent" data-bs-toggle="dropdown" id="main-menu-button" title="Open menu" type="button">
300            <span class="line"></span>
301            <span class="txt"><span class="visually-hidden">Open</span> menu</span>
302        </button>
303        <div class="dropdown-menu" id="menu">
304            <div class="navbar-wrapper">
305                
306
307
308    
309        <div class="main-nav-wrapper" id="main-menu-list">
310            <div class="container-md">
311                <ul class="main-menu list-unstyled row">
312                    
313                        <li class="col">
314                            
315                                    
316                                        <button aria-current="true" aria-controls="menu-1039" aria-expanded="false" class="first-child first-child-btn collapsed dropdown-item hassub" data-bs-target="#menu-1039" data-bs-toggle="collapse" type="button" title="">Organization</button>
317                                        <ul class="list-unstyled collapse" id="menu-1039">
318                                            
319                                                
320        
321                <li class="shortcut">
322                
323                        <a class="sub dropdown-item" href="/iers/en/organization/organization">
324                            Overview: Organization
325                        </a>
326                    
327                </li>
328            
329    
330                                            
331                                                
332        
333                <li>
334                <button aria-controls="menu-1041" aria-expanded="false" class="sub collapsed dropdown-item dropdown-item-btn hassub" data-bs-target="#menu-1041" data-bs-toggle="collapse" type="button" title="">About IERS</button>
335                <ul class="list-unstyled collapse" id="menu-1041">
336                    
337                        
338        
339                <li class="shortcut">
340                
341                        <a class="sub dropdown-item" href="/iers/en/organization/about/about">
342                            Overview: About IERS
343                        </a>
344                    
345                </li>
346            
347    
348                    
349                        
350        
351                <li>
352                
353                        <a class="sub dropdown-item" href="/iers/en/organization/about/objectives/objectives">
354                            Objectives
355                        </a>
356                    
357                </li>
358            
359    
360                    
361                        
362        
363                <li>
364                
365                        <a class="sub dropdown-item" href="/iers/en/organization/about/orgchart/chart">
366                            Organization chart
367                        </a>
368                    
369                </li>
370            
371    
372                    
373                        
374        
375                <li>
376                
377                        <a class="sub dropdown-item" href="/iers/en/organization/about/structure/structure">
378                            Structure details
379                        </a>
380                    
381                </li>
382            
383    
384                    
385                        
386        
387                <li class="shortcut">
388                
389                        <a class="sub dropdown-item" href="/iers/en/service/ierscomponents/components">
390                            Components
391                        </a>
392                    
393                </li>
394            
395    
396                    
397                        
398        
399                <li>
400                <button aria-controls="menu-1047" aria-expanded="false" class="sub collapsed dropdown-item dropdown-item-btn hassub" data-bs-target="#menu-1047" data-bs-toggle="collapse" type="button" title="">Relations to other organizations</button>
401                <ul class="list-unstyled collapse" id="menu-1047">
402                    
403                        
404        
405                <li class="shortcut">
406                
407                        <a class="sub dropdown-item" href="/iers/en/organization/about/relationorganizations/relationorganizations">
408                            Overview: Relations to other organizations
409                        </a>
410                    
411                </li>
412            
413    
414                    
415                        
416        
417                <li>
418                
419                        <a class="sub dropdown-item" href="/iers/en/organization/about/relationorganizations/iugg/iugg">
420                            IUGG
421                        </a>
422                    
423                </li>
424            
425    
426                    
427                        
428        
429                <li>
430                
431                        <a class="sub dropdown-item" href="/iers/en/organization/about/relationorganizations/iag/iag">
432                            IAG
433                        </a>
434                    
435                </li>
436            
437    
438                    
439                        
440        
441                <li>
442                
443                        <a class="sub dropdown-item" href="/iers/en/organization/about/relationorganizations/iau/iau">
444                            IAU
445                        </a>
446                    
447                </li>
448            
449    
450                    
451                        
452        
453                <li>
454                
455                        <a class="sub dropdown-item" href="/iers/en/organization/about/relationorganizations/ggos/ggos">
456                            GGOS
457                        </a>
458                    
459                </li>
460            
461    
462                    
463                        
464        
465                <li>
466                
467                        <a class="sub dropdown-item" href="/iers/en/organization/about/relationorganizations/wds/wds">
468                            WDS
469                        </a>
470                    
471                </li>
472            
473    
474                    
475                        
476        
477                <li>
478                
479                        <a class="sub dropdown-item" href="/iers/en/organization/about/relationorganizations/icg/icg">
480                            ICG
481                        </a>
482                    
483                </li>
484            
485    
486                    
487                        
488        
489                <li>
490                
491                        <a class="sub dropdown-item" href="/iers/en/organization/about/relationorganizations/cctf/cctf">
492                            CCTF
493                        </a>
494                    
495                </li>
496            
497    
498                    
499                </ul>
500                </li>
501            
502    
503                    
504                        
505        
506                <li>
507                
508                        <a class="sub dropdown-item" href="/iers/en/organization/about/tor/tor">
509                            Terms of Reference
510                        </a>
511                    
512                </li>
513            
514    
515                    
516                        
517        
518                <li>
519                
520                        <a class="sub dropdown-item" href="/iers/en/organization/about/reports/reports">
521                            Reports and minutes
522                        </a>
523                    
524                </li>
525            
526    
527                    
528                        
529        
530                <li>
531                
532                        <a class="sub dropdown-item" href="/iers/en/organization/about/biblio/biblio">
533                            Publications about the IERS
534                        </a>
535                    
536                </li>
537            
538    
539                    
540                        
541        
542                <li>
543                
544                        <a class="sub dropdown-item" href="/iers/en/organization/about/history/history">
545                            History
546                        </a>
547                    
548                </li>
549            
550    
551                    
552                        
553        
554                <li>
555                
556                        <a class="sub dropdown-item" href="/iers/en/organization/about/contact/contact">
557                            Contacts
558                        </a>
559                    
560                </li>
561            
562    
563                    
564                </ul>
565                </li>
566            
567    
568                                            
569                                                
570        
571                <li>
572                
573                        <a class="sub dropdown-item" href="/iers/en/organization/directingboard/iersdirectingboard">
574                            Directing Board
575                        </a>
576                    
577                </li>
578            
579    
580                                            
581                                                
582        
583                <li>
584                
585                        <a class="sub dropdown-item" href="/iers/en/organization/analysiscoordinator/analysis">
586                            Analysis Coordinator
587                        </a>
588                    
589                </li>
590            
591    
592                                            
593                                                
594        
595                <li>
596                <button aria-controls="menu-1063" aria-expanded="false" class="sub collapsed dropdown-item dropdown-item-btn hassub" data-bs-target="#menu-1063" data-bs-toggle="collapse" type="button" title="">Product Centres</button>
597                <ul class="list-unstyled collapse" id="menu-1063">
598                    
599                        
600        
601                <li class="shortcut">
602                
603                        <a class="sub dropdown-item" href="/iers/en/organization/productcentres/pc">
604                            Overview: Product Centres
605                        </a>
606                    
607                </li>
608            
609    
610                    
611                        
612        
613                <li>
614                
615                        <a class="sub dropdown-item" href="/iers/en/organization/productcentres/earthorientationcentre/eoc">
616                            Earth Orientation Centre
617                        </a>
618                    
619                </li>
620            
621    
622                    
623                        
624        
625                <li>
626                
627                        <a class="sub dropdown-item" href="/iers/en/organization/productcentres/rapidservicepredictioncentre/rapid">
628                            Rapid Service / Prediction Centre
629                        </a>
630                    
631                </li>
632            
633    
634                    
635                        
636        
637                <li>
638                
639                        <a class="sub dropdown-item" href="/iers/en/organization/productcentres/conventionscentre/conventions">
640                            Conventions Centre
641                        </a>
642                    
643                </li>
644            
645    
646                    
647                        
648        
649                <li>
650                
651                        <a class="sub dropdown-item" href="/iers/en/organization/productcentres/icrscentre/icrs">
652                            ICRS Centre
653                        </a>
654                    
655                </li>
656            
657    
658                    
659                        
660        
661                <li>
662                
663                        <a class="sub dropdown-item" href="/iers/en/organization/productcentres/itrscentre/itrs">
664                            ITRS Centre
665                        </a>
666                    
667                </li>
668            
669    
670                    
671                        
672        
673                <li>
674                <button aria-controls="menu-1070" aria-expanded="false" class="sub collapsed dropdown-item dropdown-item-btn hassub" data-bs-target="#menu-1070" data-bs-toggle="collapse" type="button" title="">Global Geophysical Fluids Centre</button>
675                <ul class="list-unstyled collapse" id="menu-1070">
676                    
677                        
678        
679                <li class="shortcut">
680                
681                        <a class="sub dropdown-item" href="/iers/en/organization/productcentres/ggfc/ggfc">
682                            Overview: Global Geophysical Fluids Centre
683                        </a>
684                    
685                </li>
686            
687    
688                    
689                        
690        
691                <li>
692                
693                        <a class="sub dropdown-item" href="/iers/en/organization/productcentres/ggfc/sboceans/ocean">
694                            Special Bureau for the Oceans
695                        </a>
696                    
697                </li>
698            
699    
700                    
701                        
702        
703                <li>
704                
705                        <a class="sub dropdown-item" href="/iers/en/organization/productcentres/ggfc/sbhydrology/hydrology">
706                            Special Bureau for Hydrology
707                        </a>
708                    
709                </li>
710            
711    
712                    
713                        
714        
715                <li>
716                
717                        <a class="sub dropdown-item" href="/iers/en/organization/productcentres/ggfc/sbatmosphere/atmosphere">
718                            Special Bureau for the Atmosphere
719                        </a>
720                    
721                </li>
722            
723    
724                    
725                        
726        
727                <li>
728                
729                        <a class="sub dropdown-item" href="/iers/en/organization/productcentres/ggfc/sbcombination/combination">
730                            Special Bureau for Combination
731                        </a>
732                    
733                </li>
734            
735    
736                    
737                </ul>
738                </li>
739            
740    
741                    
742                </ul>
743                </li>
744            
745    
746                                            
747                                                
748        
749                <li>
750                <button aria-controls="menu-1076" aria-expanded="false" class="sub collapsed dropdown-item dropdown-item-btn hassub" data-bs-target="#menu-1076" data-bs-toggle="collapse" type="button" title="">Technique Centres</button>
751                <ul class="list-unstyled collapse" id="menu-1076">
752                    
753                        
754        
755                <li class="shortcut">
756                
757                        <a class="sub dropdown-item" href="/iers/en/organization/techniquecentres/tc">
758                            Overview: Technique Centres
759                        </a>
760                    
761                </li>
762            
763    
764                    
765                        
766        
767                <li>
768                
769                        <a class="sub dropdown-item" href="/iers/en/organization/techniquecentres/ids/ids">
770                            International DORIS Service
771                        </a>
772                    
773                </li>
774            
775    
776                    
777                        
778        
779                <li>
780                
781                        <a class="sub dropdown-item" href="/iers/en/organization/techniquecentres/igs/igs">
782                            International GNSS Service
783                        </a>
784                    
785                </li>
786            
787    
788                    
789                        
790        
791                <li>
792                
793                        <a class="sub dropdown-item" href="/iers/en/organization/techniquecentres/ilrs/ilrs">
794                            International Laser Ranging Service
795                        </a>
796                    
797                </li>
798            
799    
800                    
801                        
802        
803                <li>
804                
805                        <a class="sub dropdown-item" href="/iers/en/organization/techniquecentres/ivs/ivs">
806                            International VLBI Service
807                        </a>
808                    
809                </li>
810            
811    
812                    
813                </ul>
814                </li>
815            
816    
817                                            
818                                                
819        
820                <li>
821                
822                        <a class="sub dropdown-item" href="/iers/en/organization/centralbureau/bureau">
823                            Central Bureau
824                        </a>
825                    
826                </li>
827            
828    
829                                            
830                                                
831        
832                <li>
833                <button aria-controls="menu-1083" aria-expanded="false" class="sub collapsed dropdown-item dropdown-item-btn hassub" data-bs-target="#menu-1083" data-bs-toggle="collapse" type="button" title="">ITRS Combination Centres</button>
834                <ul class="list-unstyled collapse" id="menu-1083">
835                    
836                        
837        
838                <li class="shortcut">
839                
840                        <a class="sub dropdown-item" href="/iers/en/organization/itrscombinationcentres/itrscc">
841                            Overview: ITRS Combination Centres
842                        </a>
843                    
844                </li>
845            
846    
847                    
848                        
849        
850                <li>
851                
852                        <a class="sub dropdown-item" href="/iers/en/organization/itrscombinationcentres/dgfi/dgfi">
853                            DGFI-TUM
854                        </a>
855                    
856                </li>
857            
858    
859                    
860                        
861        
862                <li>
863                
864                        <a class="sub dropdown-item" href="/iers/en/organization/itrscombinationcentres/ign/ign">
865                            IGN
866                        </a>
867                    
868                </li>
869            
870    
871                    
872                        
873        
874                <li>
875                
876                        <a class="sub dropdown-item" href="/iers/en/organization/itrscombinationcentres/jpl/jpl">
877                            JPL
878                        </a>
879                    
880                </li>
881            
882    
883                    
884                </ul>
885                </li>
886            
887    
888                                            
889                                                
890        
891                <li>
892                <button aria-controls="menu-1088" aria-expanded="false" class="sub collapsed dropdown-item dropdown-item-btn hassub" data-bs-target="#menu-1088" data-bs-toggle="collapse" type="button" title="">Working groups</button>
893                <ul class="list-unstyled collapse" id="menu-1088">
894                    
895                        
896        
897                <li class="shortcut">
898                
899                        <a class="sub dropdown-item" href="/iers/en/organization/workinggroups/workinggroups">
900                            Overview: Working groups
901                        </a>
902                    
903                </li>
904            
905    
906                    
907                        
908        
909                <li>
910                
911                        <a class="sub dropdown-item" href="/iers/en/organization/workinggroups/sitesurvey/sitesurvey">
912                            Metrology of space geodetic infrastru
912cture
913                        </a>
914                    
915                </li>
916            
917    
918                    
919                        
920        
921                <li>
922                <button aria-controls="menu-1091" aria-expanded="false" class="sub collapsed dropdown-item dropdown-item-btn hassub" data-bs-target="#menu-1091" data-bs-toggle="collapse" type="button" title="">SINEX Format</button>
923                <ul class="list-unstyled collapse" id="menu-1091">
924                    
925                        
926        
927                <li class="shortcut">
928                
929                        <a class="sub dropdown-item" href="/iers/en/organization/workinggroups/sinex/sinex">
930                            Overview: SINEX Format
931                        </a>
932                    
933                </li>
934            
935    
936                    
937                        
938        
939                <li>
940                
941                        <a class="sub dropdown-item" href="/iers/en/organization/workinggroups/sinex/sinex-dummy">
942                            Working Group on SINEX Format
943                        </a>
944                    
945                </li>
946            
947    
948                    
949                        
950        
951                <li>
952                
953                        <a class="sub dropdown-item" href="/iers/en/organization/workinggroups/sinex/sinexformat/sinex">
954                            SINEX Format description
955                        </a>
956                    
957                </li>
958            
959    
960                    
961                </ul>
962                </li>
963            
964    
965                    
966                        
967        
968                <li>
969                
970                        <a class="sub dropdown-item" href="/iers/en/organization/workinggroups/consistentrealization/consistentrealization">
971                            Consistent Realization of TRF, CRF, and EOP
972                        </a>
973                    
974                </li>
975            
976    
977                    
978                        
979        
980                <li>
981                
982                        <a class="sub dropdown-item" href="/iers/en/organization/workinggroups/predictioncomparison/predictioncomparison">
983                            EOP Prediction
984                        </a>
985                    
986                </li>
987            
988    
989                    
990                        
991        
992                <li>
993                
994                        <a class="sub dropdown-item" href="/iers/en/organization/workinggroups/genesis/genesis">
995                            GENESIS
996                        </a>
997                    
998                </li>
999            
1000    
1001                    
1002                        
1003        
1004                <li>
1005                
1006                        <a class="sub dropdown-item" href="/iers/en/organization/workinggroups/evaluationtrf/evaluationtrf">
1007                            Evaluation of the Terrestrial Reference Frames
1008                        </a>
1009                    
1010                </li>
1011            
1012    
1013                    
1014                </ul>
1015                </li>
1016            
1017    
1018                                            
1019                                                
1020        
1021                <li>
1022                
1023                        <a class="sub dropdown-item" href="/iers/en/organization/workshops/workshops">
1024                            Workshops
1025                        </a>
1026                    
1027                </li>
1028            
1029    
1030                                            
1031                                        </ul>
1032                                    
1033                                
1034                        </li>
1035                    
1036                        <li class="col">
1037                            
1038                                    
1039                                        <button aria-current="true" aria-controls="menu-1100" aria-expanded="false" class="first-child first-child-btn collapsed dropdown-item hassub" data-bs-target="#menu-1100" data-bs-toggle="collapse" type="button" title="">Data, Products &amp; Tools</button>
1040                                        <ul class="list-unstyled collapse" id="menu-1100">
1041                                            
1042                                                
1043        
1044                <li class="shortcut">
1045                
1046                        <a class="sub dropdown-item" href="/iers/en/dataproducts/data">
1047                            Overview: Data, Products &amp; Tools
1048                        </a>
1049                    
1050                </li>
1051            
1052    
1053                                            
1054                                                
1055        
1056                <li>
1057                
1058                        <a class="sub dropdown-item" href="/iers/en/dataproducts/earthorientationdata/eop">
1059                            Earth orientation data
1060                        </a>
1061                    
1062                </li>
1063            
1064    
1065                                            
1066                                                
1067        
1068                <li>
1069                <button aria-controls="menu-1103" aria-expanded="false" class="sub collapsed dropdown-item dropdown-item-btn hassub" data-bs-target="#menu-1103" data-bs-toggle="collapse" type="button" title="">ICRF</button>
1070                <ul class="list-unstyled collapse" id="menu-1103">
1071                    
1072                        
1073        
1074                <li class="shortcut">
1075                
1076                        <a class="sub dropdown-item" href="/iers/en/dataproducts/icrf/icrf">
1077                            Overview: ICRF
1078                        </a>
1079                    
1080                </li>
1081            
1082    
1083                    
1084                        
1085        
1086                <li>
1087                
1088                        <a class="sub dropdown-item" href="/iers/en/dataproducts/icrf/icrf/icrf">
1089                            ICRF1
1090                        </a>
1091                    
1092                </li>
1093            
1094    
1095                    
1096                        
1097        
1098                <li>
1099                
1100                        <a class="sub dropdown-item" href="/iers/en/dataproducts/icrf/icrfext/icrf-ext">
1101                            ICRF-Ext.1
1102                        </a>
1103                    
1104                </li>
1105            
1106    
1107                    
1108                        
1109        
1110                <li>
1111                
1112                        <a class="sub dropdown-item" href="/iers/en/dataproducts/icrf/icrfext2/icrf-ext2">
1113                            ICRF-Ext.2
1114                        </a>
1115                    
1116                </li>
1117            
1118    
1119                    
1120                        
1121        
1122                <li>
1123                
1124                        <a class="sub dropdown-item" href="/iers/en/dataproducts/icrf/icrf2/icrf2">
1125                            ICRF2
1126                        </a>
1127                    
1128                </li>
1129            
1130    
1131                    
1132                        
1133        
1134                <li>
1135                
1136                        <a class="sub dropdown-item" href="/iers/en/dataproducts/icrf/icrf3/icrf3">
1137                            ICRF3
1138                        </a>
1139                    
1140                </li>
1141            
1142    
1143                    
1144                </ul>
1145                </li>
1146            
1147    
1148                                            
1149                                                
1150        
1151                <li>
1152                
1153                        <a class="sub dropdown-item" href="/iers/en/dataproducts/icrs/icrs">
1154                            ICRS
1155                        </a>
1156                    
1157                </li>
1158            
1159    
1160                                            
1161                                                
1162        
1163                <li>
1164                <button aria-controls="menu-1111" aria-expanded="false" class="sub collapsed dropdown-item dropdown-item-btn hassub" data-bs-target="#menu-1111" data-bs-toggle="collapse" type="button" title="">ITRF</button>
1165                <ul class="list-unstyled collapse" id="menu-1111">
1166                    
1167                        
1168        
1169                <li class="shortcut">
1170                
1171                        <a class="sub dropdown-item" href="/iers/en/dataproducts/itrf/itrf">
1172                            Overview: ITRF
1173                        </a>
1174                    
1175                </li>
1176            
1177    
1178                    
1179                        
1180        
1181                <li>
1182                
1183                        <a class="sub dropdown-item" href="/iers/en/dataproducts/itrf/otherrealizations/otherrealizations">
1184                            Other realizations of the ITRS
1185                        </a>
1186                    
1187                </li>
1188            
1189    
1190                    
1191                </ul>
1192                </li>
1193            
1194    
1195                                            
1196                                                
1197        
1198                <li>
1199                
1200                        <a class="sub dropdown-item" href="/iers/en/dataproducts/itrs/itrs">
1201                            ITRS
1202                        </a>
1203                    
1204                </li>
1205            
1206    
1207                                            
1208                                                
1209        
1210                <li>
1211                
1212                        <a class="sub dropdown-item" href="/iers/en/dataproducts/geophysicalfluidsdata/geofluids">
1213                            Geophysical fluids data
1214                        </a>
1215                    
1216                </li>
1217            
1218    
1219                                            
1220                                                
1221        
1222                <li>
1223                
1224                        <a class="sub dropdown-item" href="/iers/en/dataproducts/conventions/conventions">
1225                            Conventions
1226                        </a>
1227                    
1228                </li>
1229            
1230    
1231                                            
1232                                                
1233        
1234                <li>
1235                <button aria-controls="menu-1117" aria-expanded="false" class="sub collapsed dropdown-item dropdown-item-btn hassub" data-bs-target="#menu-1117" data-bs-toggle="collapse" type="button" title="">Data analysis tools</button>
1236                <ul class="list-unstyled collapse" id="menu-1117">
1237                    
1238                        
1239        
1240                <li class="shortcut">
1241                
1242                        <a class="sub dropdown-item" href="/iers/en/dataproducts/tools/tools">
1243                            Overview: Data analysis tools
1244                        </a>
1245                    
1246                </li>
1247            
1248    
1249                    
1250                        
1251        
1252                <li>
1253                
1254                        <a class="sub dropdown-item" href="/iers/en/dataproducts/tools/plot-tool/plot-tool">
1255                            IERS Plot Tool
1256                        </a>
1257                    
1258                </li>
1259            
1260    
1261                    
1262                        
1263        
1264                <li>
1265                
1266                        <a class="sub dropdown-item" href="/iers/en/dataproducts/tools/eop-of-today/eop-of-today-tool">
1267                            EOP of today
1268                        </a>
1269                    
1270                </li>
1271            
1272    
1273                    
1274                        
1275        
1276                <li>
1277                
1278                        <a class="sub dropdown-item" href="/iers/en/dataproducts/tools/timescales/timescales">
1279                            Time scales
1280                        </a>
1281                    
1282                </li>
1283            
1284    
1285                    
1286                        
1287        
1288                <li>
1289                
1290                        <a class="sub dropdown-item" href="/iers/en/dataproducts/tools/eop-reader/eop-reader-tool">
1291                            EOP reader
1292                        </a>
1293                    
1294                </li>
1295            
1296    
1297                    
1298                        
1299        
1300                <li>
1301                
1302                        <a class="sub dropdown-item" href="/iers/en/dataproducts/tools/date-converter/date-converter-tool">
1303                            Date Converter
1304                        </a>
1305                    
1306                </li>
1307            
1308    
1309                    
1310                        
1311        
1312                <li>
1313                <button aria-controls="menu-1124" aria-expanded="false" class="sub collapsed dropdown-item dropdown-item-btn hassub" data-bs-target="#menu-1124" data-bs-toggle="collapse" type="button" title="">Web services</button>
1314                <ul class="list-unstyled collapse" id="menu-1124">
1315                    
1316                        
1317        
1318                <li class="shortcut">
1319                
1320                        <a class="sub dropdown-item" href="/iers/en/dataproducts/tools/webservices/webservice">
1321                            Overview: Web services
1322                        </a>
1323                    
1324                </li>
1325            
1326    
1327                    
1328                        
1329        
1330                <li>
1331                
1332                        <a class="sub dropdown-item" href="/iers/en/dataproducts/tools/webservices/webservice-eop">
1333                            EOP Web services
1334                        </a>
1335                    
1336                </li>
1337            
1338    
1339                    
1340                        
1341        
1342                <li>
1343                
1344                        <a class="sub dropdown-item" href="/iers/en/dataproducts/tools/webservices/webservice-time">
1345                            Time scales and leap second Web service
1346                        </a>
1347                    
1348                </li>
1349            
1350    
1351                    
1352                </ul>
1353                </li>
1354            
1355    
1356                    
1357                        
1358        
1359                <li>
1360                
1361                        <a class="sub dropdown-item" href="/iers/en/dataproducts/tools/toolsofcomponents/toolsofcomponents-tool">
1362                            Tools of IERS components
1363                        </a>
1364                    
1365                </li>
1366            
1367    
1368                    
1369                </ul>
1370                </li>
1371            
1372    
1373                                            
1374                                        </ul>
1375                                    
1376                                
1377                        </li>
1378                    
1379                        <li class="col">
1380                            
1381                                    
1382                                        <button aria-current="true" aria-controls="menu-1129" aria-expanded="false" class="first-child first-child-btn collapsed dropdown-item hassub" data-bs-target="#menu-1129" data-bs-toggle="collapse" type="button" title="">Publications</button>
1383                                        <ul class="list-unstyled collapse" id="menu-1129">
1384                                            
1385                                                
1386        
1387                <li class="shortcut">
1388                
1389                        <a class="sub dropdown-item" href="/iers/en/publications/publications">
1390                            Overview: Publications
1391                        </a>
1392                    
1393                </li>
1394            
1395    
1396                                            
1397                                                
1398        
1399                <li>
1400                
1401                        <a class="sub dropdown-item" href="/iers/en/publications/messages/messages">
1402                            IERS Messages
1403                        </a>
1404                    
1405                </li>
1406            
1407    
1408                                            
1409                                                
1410        
1411                <li>
1412                
1413                        <a class="sub dropdown-item" href="/iers/en/publications/bulletins/bulletins">
1414                            I
1414ERS Bulletins
1415                        </a>
1416                    
1417                </li>
1418            
1419    
1420                                            
1421                                                
1422        
1423                <li>
1424                
1425                        <a class="sub dropdown-item" href="/iers/en/publications/technicalnotes/technicalnotes">
1426                            IERS Technical Notes
1427                        </a>
1428                    
1429                </li>
1430            
1431    
1432                                            
1433                                                
1434        
1435                <li>
1436                
1437                        <a class="sub dropdown-item" href="/iers/en/publications/annualreports/annualreports">
1438                            IERS Annual Reports
1439                        </a>
1440                    
1441                </li>
1442            
1443    
1444                                            
1445                                                
1446        
1447                <li class="shortcut">
1448                
1449                        <a class="sub dropdown-item" href="/iers/en/organization/about/biblio/biblio">
1450                            Publications about the IERS
1451                        </a>
1452                    
1453                </li>
1454            
1455    
1456                                            
1457                                                
1458        
1459                <li>
1460                
1461                        <a class="sub dropdown-item" href="/iers/en/publications/subscription/subscription">
1462                            New subscription to IERS publications
1463                        </a>
1464                    
1465                </li>
1466            
1467    
1468                                            
1469                                                
1470        
1471                <li>
1472                
1473                        <a class="sub dropdown-item" href="/iers/en/publications/changesubscription/subscription">
1474                            Change subscription to IERS publications
1475                        </a>
1476                    
1477                </li>
1478            
1479    
1480                                            
1481                                        </ul>
1482                                    
1483                                
1484                        </li>
1485                    
1486                        <li class="col">
1487                            
1488                                    
1489                                        <button aria-current="true" aria-controls="menu-1138" aria-expanded="false" class="first-child first-child-btn collapsed dropdown-item hassub" data-bs-target="#menu-1138" data-bs-toggle="collapse" type="button" title="">Science background</button>
1490                                        <ul class="list-unstyled collapse" id="menu-1138">
1491                                            
1492                                                
1493        
1494                <li class="shortcut">
1495                
1496                        <a class="sub dropdown-item" href="/iers/en/science/science">
1497                            Overview: Science background
1498                        </a>
1499                    
1500                </li>
1501            
1502    
1503                                            
1504                                                
1505        
1506                <li>
1507                
1508                        <a class="sub dropdown-item" href="/iers/en/science/resolutions/resolutions">
1509                            Resolutions
1510                        </a>
1511                    
1512                </li>
1513            
1514    
1515                                            
1516                                        </ul>
1517                                    
1518                                
1519                        </li>
1520                    
1521                        <li class="col">
1522                            
1523                                    
1524                                        <button aria-current="true" aria-controls="menu-1141" aria-expanded="false" class="first-child first-child-btn collapsed dropdown-item hassub" data-bs-target="#menu-1141" data-bs-toggle="collapse" type="button" title="">News &amp; Meetings</button>
1525                                        <ul class="list-unstyled collapse" id="menu-1141">
1526                                            
1527                                                
1528        
1529                <li class="shortcut">
1530                
1531                        <a class="sub dropdown-item" href="/iers/en/newsmeetings/newsmeetings">
1532                            Overview: News &amp; Meetings
1533                        </a>
1534                    
1535                </li>
1536            
1537    
1538                                            
1539                                                
1540        
1541                <li>
1542                
1543                        <a class="sub dropdown-item" href="/iers/en/newsmeetings/news/news">
1544                            News
1545                        </a>
1546                    
1547                </li>
1548            
1549    
1550                                            
1551                                                
1552        
1553                <li>
1554                
1555                        <a class="sub dropdown-item" href="/iers/en/newsmeetings/forthcomingmeetings/forthcoming">
1556                            Forthcoming meetings
1557                        </a>
1558                    
1559                </li>
1560            
1561    
1562                                            
1563                                                
1564        
1565                <li>
1566                
1567                        <a class="sub dropdown-item" href="/iers/en/newsmeetings/pastmeetings/pastmeetings">
1568                            Past meetings
1569                        </a>
1570                    
1571                </li>
1572            
1573    
1574                                            
1575                                                
1576        
1577                <li>
1578                
1579                        <a class="sub dropdown-item" href="/iers/en/newsmeetings/mailinglists/mailinglists">
1580                            Mailing lists
1581                        </a>
1582                    
1583                </li>
1584            
1585    
1586                                            
1587                                                
1588        
1589                <li class="shortcut">
1590                
1591                        <a class="sub dropdown-item" href="/iers/en/organization/workshops/workshops">
1592                            Workshops
1593                        </a>
1594                    
1595                </li>
1596            
1597    
1598                                            
1599                                        </ul>
1600                                    
1601                                
1602                        </li>
1603                    
1604                        <li class="col shortcut">
1605                            
1606                                    
1607                                            <a class="first-child dropdown-item" href="/suche">
1608                                                Search
1609                                            </a>
1610                                        
1611                                
1612                        </li>
1613                    
1614                </ul>
1615            </div>
1616        </div>
1617    
1618
1619    
1620
1621
1622            </div>
1623        </div>
1624    </nav>
1625
1626
1627        <nav class="mainnav-desktop justify-content-end d-none d-lg-flex" aria-labelledby="mainnavDesktop">
1628            <div id="mainnavDesktop" class="visually-hidden" role="heading" aria-level="2">Main navigation</div>
1629            <ul class="list-unstyled d-flex mb-0 justify-content-end" id="nav-desktop">
1630                
1631                    
1632    
1633
1634    
1635        <li class="mainnav-desktop-item">
1636            
1637                    
1638                        <button aria-current="true" aria-controls="menu-desktop-1039" aria-expanded="false" class="first-nav first-nav-btn hassub" data-bs-auto-close="outside" data-bs-boundary="scrollParent" data-bs-display="static" data-bs-reference="parent" data-bs-toggle="dropdown" type="button" title="">
1639                            <span class="txt">Organization</span>
1640                        </button>
1641                        <div class="dropdown-menu main-menu-desktop" id="menu-desktop-1039">
1642                            <div class="container d-flex justify-content-end pt-3 pb-3" style="height: 5.5rem !important">
1643                                <button aria-label="Close" class="btn-close rounded-circle dropdown-item" type="button"></button>
1644                            </div>
1645                            <ul class="container list-unstyled mainnav-children">
1646                                
1647                                    
1648        
1649            
1650                    <li class="shortcut">
1651                    
1652                            <a class="sub collapsed dropdown-item" href="/iers/en/organization/organization">
1653                                <span>Overview: Organization</span>
1654                            </a>
1655                        
1656                    </li>
1657                
1658        
1659    
1660                                
1661                                    
1662        
1663            
1664                    <li>
1665                    <button aria-controls="menu-desktop-1041" aria-expanded="false" class="sub collapsed dropdown-item dropdown-item-btn hassub" data-bs-target="#menu-desktop-1041" data-bs-toggle="collapse" type="button" title="">About IERS</button>
1666                    <ul class="list-unstyled collapse subnav-children" id="menu-desktop-1041" data-bs-parent="#nav-desktop">
1667                    
1668                        
1669        
1670            
1671                    <li class="shortcut">
1672                    
1673                            <a class="sub collapsed dropdown-item" href="/iers/en/organization/about/about">
1674                                <span>Overview: About IERS</span>
1675                            </a>
1676                        
1677                    </li>
1678                
1679        
1680    
1681                    
1682                        
1683        
1684            
1685                    <li>
1686                    
1687                            <a class="sub collapsed dropdown-item" href="/iers/en/organization/about/objectives/objectives">
1688                                <span>Objectives</span>
1689                            </a>
1690                        
1691                    </li>
1692                
1693        
1694    
1695                    
1696                        
1697        
1698            
1699                    <li>
1700                    
1701                            <a class="sub collapsed dropdown-item" href="/iers/en/organization/about/orgchart/chart">
1702                                <span>Organization chart</span>
1703                            </a>
1704                        
1705                    </li>
1706                
1707        
1708    
1709                    
1710                        
1711        
1712            
1713                    <li>
1714                    
1715                            <a class="sub collapsed dropdown-item" href="/iers/en/organization/about/structure/structure">
1716                                <span>Structure details</span>
1717                            </a>
1718                        
1719                    </li>
1720                
1721        
1722    
1723                    
1724                        
1725        
1726            
1727                    <li class="shortcut">
1728                    
1729                            <a class="sub collapsed dropdown-item" href="/iers/en/service/ierscomponents/components">
1730                                <span>Components</span>
1731                            </a>
1732                        
1733                    </li>
1734                
1735        
1736    
1737                    
1738                        
1739        
1740            
1741                    <li>
1742                    <button aria-controls="menu-desktop-1047" aria-expanded="false" class="sub collapsed dropdown-item dropdown-item-btn hassub" data-bs-target="#menu-desktop-1047" data-bs-toggle="collapse" type="button" title="">Relations to other organizations</button>
1743                    <ul class="list-unstyled collapse subnav-children" id="menu-desktop-1047">
1744                    
1745                        
1746        
1747            
1748                    <li class="shortcut">
1749                    
1750                            <a class="sub collapsed dropdown-item" href="/iers/en/organization/about/relationorganizations/relationorganizations">
1751                                <span>Overview: Relations to other organizations</span>
1752                            </a>
1753                        
1754                    </li>
1755                
1756        
1757    
1758                    
1759                        
1760        
1761            
1762                    <li>
1763                    
1764                            <a class="sub collapsed dropdown-item" href="/iers/en/organization/about/relationorganizations/iugg/iugg">
1765                                <span>IUGG</span>
1766                            </a>
1767                        
1768                    </li>
1769                
1770        
1771    
1772                    
1773                        
1774        
1775            
1776                    <li>
1777                    
1778                            <a class="sub collapsed dropdown-item" href="/iers/en/organization/about/relationorganizations/iag/iag">
1779                                <span>IAG</span>
1780                            </a>
1781                        
1782                    </li>
1783                
1784        
1785    
1786                    
1787                        
1788        
1789            
1790                    <li>
1791                    
1792                            <a class="sub collapsed dropdown-item" href="/iers/en/organization/about/relationorganizations/iau/iau">
1793                                <span>IAU</span>
1794                            </a>
1795                        
1796                    </li>
1797                
1798        
1799    
1800                    
1801                        
1802        
1803            
1804                    <li>
1805                    
1806                            <a class="sub collapsed dropdown-item" href="/iers/en/organization/about/relationorganizations/ggos/ggos">
1807                                <span>GGOS</span>
1808                            </a>
1809                        
1810                    </li>
1811                
1812        
1813    
1814                    
1815                        
1816        
1817            
1818                    <li>
1819                    
1820                            <a class="sub collapsed dropdown-item" href="/iers/en/organization/about/relationorganizations/wds/wds">
1821                                <span>WDS</span>
1822                            </a>
1823                        
1824                    </li>
1825                
1826        
1827    
1828                    
1829                        
1830        
1831            
1832                    <li>
1833                    
1834                            <a class="sub collapsed dropdown-item" href="/iers/en/organization/about/relationorganizations/icg/icg">
1835                                <span>ICG</span>
1836                            </a>
1837                        
1838                    </li>
1839                
1840        
1841    
1842                    
1843                        
1844        
1845            
1846                    <li>
1847                    
1848                            <a class="sub collapsed dropdown-item" href="/iers/en/organization/about/relationorganizations/cctf/cctf">
1849                                <span>CCTF</span>
1850                            </a>
1851                        
1852                    </li>
1853                
1854        
1855    
1856                    
1857                    </ul>
1858                    </li>
1859                
1860        
1861    
1862                    
1863                        
1864        
1865            
1866                    <li>
1867                    
1868                            <a class="sub collapsed dropdown-item" href="/iers/en/organization/about/tor/tor">
1869                                <span>Terms of Reference</span>
1870                            </a>
1871                        
1872                    </li>
1873                
1874        
1875    
1876                    
1877                        
1878        
1879            
1880                    <li>
1881                    
1882                            <a class="sub collapsed dropdown-item" href="/iers/en/organization/about/reports/reports">
1883                                <span>Reports and minutes</span>
1884                            </a>
1885                        
1886                    </li>
1887                
1888        
1889    
1890                    
1891                        
1892        
1893            
1894                    <li>
1895                    
1896                            <a class="sub collapsed dropdown-item" href="/iers/en/organization/about/biblio/biblio">
1897                                <span>Publications about the IERS</span>
1898                            </a>
1899                        
1900                    </li>
1901                
1902        
1903    
1904                    
1905                        
1906        
1907            
1908                    <li>
1909                    
1910                            <a class="sub collapsed dropdown-item" href="/iers/en/organization/about/history/history">
1911                                <span>History</span>
1912                            </a>
1913                        
1914                    </li>
1915                
1916        
1917    
1918                    
1919                        
1920        
1921            
1922                    <li>
1923                    
1924                            <a class="sub collapsed dropdown-item" href="/iers/en/organization/about/contact/contact">
1925                                <span>Contacts</span>
1926                            </a>
1927                        
1928                    </li>
1929                
1930        
1931    
1932                    
1933                    </ul>
1934                    </li>
1935                
1936        
1937    
1938                                
1939                                    
1940        
1941            
1942                    <li>
1943                    
1944                            <a class="sub collapsed dropdown-item" href="/iers/en/organization/directingboard/iersdirectingboard">
1945                                <span>Directing Board</span>
1946                            </a>
1947                        
1948                    </li>
1949                
1950        
1951    
1952                                
1953                                    
1954        
1955            
1956                    <li>
1957                    
1958                            <a class="sub collapsed dropdown-item" href="/iers/en/organization/analysiscoordinator/analysis">
1959                                <span>Analysis Coordinator</span>
1960                            </a>
1961                        
1962                    </li>
1963                
1964        
1965    
1966                                
1967                                    
1968        
1969            
1970                    <li>
1971                    <button aria-controls="menu-desktop-1063" aria-expanded="false" class="sub collapsed dropdown-item dropdown-item-btn hassub" data-bs-target="#menu-desktop-1063" data-bs-toggle="collapse" type="button" title="">Product Centres</button>
1972                    <ul class="list-unstyled collapse subnav-children" id="menu-desktop-1063" data-bs-parent="#nav-desktop">
1973                    
1974                        
1975        
1976            
1977                    <li class="shortcut">
1978                    
1979                            <a class="sub collapsed dropdown-item" href="/iers/en/organization/productcentres/pc">
1980                                <span>Overview: Product Centres</span>
1981                            </a>
1982                        
1983                    </li>
1984                
1985        
1986    
1987                    
1988                        
1989        
1990            
1991                    <li>
1992                    
1993                            <a class="sub collapsed dropdown-item" href="/iers/en/organization/productcentres/earthorientationcentre/eoc">
1994                                <span>Earth Orientation Centre</span>
1995                            </a>
1996                        
1997                    </li>
1998                
1999        
2000    
2001                    
2002                        
2003        
2004            
2005                    <li>
2006                    
2007                            <a class="sub collapsed dropdown-item" href="/iers/en/organization/productcentres/rapidservicepredictioncentre/rapid">
2008                                <span>Rapid Service / Prediction Centre</span>
2009                            </a>
2010                        
2011                    </li>
2012                
2013        
2014    
2015                    
2016                        
2017        
2018            
2019                    <li>
2020                    
2021                            <a class="sub collapsed dropdown-item" href="/iers/en/organization/productcentres/conventionscentre/conventions">
2022                                <span>Conventions Centre</span>
2023                            </a>
2024                        
2025                    </li>
2026                
2027        
2028    
2029                    
2030                        
2031        
2032            
2033                    <li>
2034                    
2035                            <a class="sub collapsed dropdown-item" href="/iers/en/organization/productcentres/icrscentre/icrs">
2036                                <span>ICRS Centre</span>
2037                            </a>
2038                        
2039                    </li>
2040                
2041        
2042    
2043                    
2044                        
2045        
2046            
2047                    <li>
2048                    
2049                            <a class="sub collapsed dropdown-item" href="/iers/en/organization/productcentres/itrscentre/itrs">
2050                                <span>ITRS Centre</span>
2051                            </a>
2052                        
2053                    </li>
2054                
2055        
2056    
2057                    
2058                        
2059        
2060            
2061                    <li>
2062                    <button aria-controls="menu-desktop-1070" aria-expanded="false" class="sub collapsed dropdown-item dropdown-item-btn hassub" data-bs-target="#menu-desktop-1070" data-bs-toggle="collapse" type="button" title="">Global Geophysical Fluids Centre</button>
2063                    <ul class="list-unstyled collapse subnav-children" id="menu-desktop-1070">
2064                    
2065                        
2066        
2067            
2068                    <li class="shortcut">
2069                    
2070                            <a class="sub collapsed dropdown-item" href="/iers/en/organization/productcentres/ggfc/ggfc">
2071                                <span>Overview: Global Geophysical Fluids Centre</span>
2072                            </a>
2073                        
2074                    </li>
2075                
2076        
2077    
2078                    
2079                        
2080        
2081            
2082                    <li>
2083                    
2084                            <a class="sub collapsed dropdown-item" href="/iers/en/organization/productcentres/ggfc/sboceans/ocean">
2085                                <span>Special Bureau for the Oceans</span>
2086                            </a>
2087                        
2088                    </li>
2089                
2090        
2091    
2092                    
2093                        
2094        
2095            
2096                    <li>
2097                    
2098                            <a class="sub collapsed dropdown-item" href="/iers/en/organization/productcentres/ggfc/sbhydrology/hydrology">
2099                                <span>Special Bureau for Hydrology</span>
2100                            </a>
2101                        
2102                    </li>
2103                
2104        
2105    
2106                    
2107                        
2108        
2109            
2110                    <li>
2111                    
2112                            <a class="sub collapsed dropdown-item" href="/iers/en/organization/productcentres/ggfc/sbatmosphere/atmosphere">
2113                                <span>Special Bureau for the Atmosphere</span>
2114                            </a>
2115                        
2116                    </li>
2117                
2118        
2119    
2120                    
2121                        
2122        
2123            
2124                    <li>
2125                    
2126                            <a class="sub collapsed dropdown-item" href="/iers/en/organization/productcentres/ggfc/sbcombination/combination">
2127                                <span>Special Bureau for Combination</span>
2128                            </a>
2129                        
2130                    </li>
2131                
2132        
2133    
2134                    
2135                    </ul>
2136                    </li>
2137                
2138        
2139    
2140                    
2141                    </ul>
2142                    </li>
2143                
2144        
2145    
2146                                
2147                                    
2148        
2149            
2150                    <li>
2151                    <button aria-controls="menu-desktop-1076" aria-expanded="false" class="sub collapsed dropdown-item dropdown-item-btn hassub" data-bs-target="#menu-desktop-1076" data-bs-toggle="collapse" type="button" title="">Technique Centres</button>
2152                    <ul class="list-unstyled collapse subnav-children" id="menu-desktop-1076" data-bs-parent="#nav-desktop">
2153                    
2154                        
2155        
2156            
2157                    <li class="shortcut">
2158                    
2159                            <a class="sub collapsed dropdown-item" href="/iers/en/organization/techniquecentres/tc">
2160                                <span>Overview: Technique Centres</span>
2161                            </a>
2162                        
2163                    </li>
2164                
2165        
2166    
2167                    
2168                        
2169        
2170            
2171                    <li>
2172                    
2173                            <a class="sub collapsed dropdown-item" href="/iers/en/organization/techniquecentres/ids/ids">
2174                                <span>International DORIS Service</span>
2175                            </a>
2176                        
2177                    </li>
2178                
2179        
2180    
2181                    
2182                        
2183        
2184            
2185                    <li>
2186                    
2187                            <a class="sub collapsed dropdown-item" href="/iers/en/organization/techniquecentres/igs/igs">
2188                                <span>International GNSS Service</span>
2189                            </a>
2190                        
2191                    </li>
2192                
2193        
2194    
2195                    
2196                        
2197        
2198            
2199                    <li>
2200                    
2201                            <a class="sub collapsed dropdown-item" href="/iers/en/organization/techniquecentres/ilrs/ilrs">
2202                                <span>International Laser Ranging Service</span>
2203                            </a>
2204                        
2205                    </li>
2206                
2207        
2208    
2209                    
2210                        
2211        
2212            
2213                    <li>
2214                    
2215                            <a class="sub collapsed dropdown-item" href="/iers/en/organization/techniquecentres/ivs/ivs">
2216                                <span>International VLBI Service</span>
2217                            </a>
2218                        
2219                    </li>
2220                
2221        
2222    
2223                    
2224                    </ul>
2225                    </li>
2226                
2227        
2228    
2229                                
2230                                    
2231        
2232            
2233                    <li>
2234                    
2235                            <a class="sub collapsed dropdown-item" href="/iers/en/organization/centralbureau/bureau">
2236                                <span>Central Bureau</span>
2237                            </a>
2238                        
2239                    </li>
2240                
2241        
2242    
2243                                
2244                                    
2245        
2246            
2247                    <li>
2248                    <button aria-controls="menu-desktop-1083" aria-expanded="false" class="sub collapsed dropdown-item dropdown-item-btn hassub" data-bs-target="#menu-desktop-1083" data-bs-toggle="collapse" type="button" title="">ITRS Combination Centres</button>
2249                    <ul class="list-unstyled collapse subnav-children" id="menu-desktop-1083" data-bs-parent="#nav-desktop">
2250                    
2251                        
2252        
2253            
2254                    <li class="shortcut">
2255                    
2256                            <a class="sub collapsed dropdown-item" href="/iers/en/organization/itrscombinationcentres/itrscc">
2257                                <span>Overview: ITRS Combination Centres</span>
2258                            </a>
2259                        
2260                    </li>
2261                
2262        
2263    
2264                    
2265                        
2266        
2267            
2268                    <li>
2269                    
2270                            <a class="sub collapsed dropdown-item" href="/iers/en/organization/itrscombinationcentres/dgfi/dgfi">
2271                                <span>DGFI-TUM</span>
2272                            </a>
2273                        
2274                    </li>
2275                
2276        
2277    
2278                    
2279                        
2280        
2281            
2282                    <li>
2283                    
2284                            <a class="sub collapsed dropdown-item" href="/iers/en/organization/itrscombinationcentres/ign/ign">
2285                                <span>IGN</span>
2286                            </a>
2287                        
2288                    </li>
2289                
2290        
2291    
2292                    
2293                        
2294        
2295            
2296                    <li>
2297                    
2298                            <a class="sub collapsed dropdown-item" href="/iers/en/organization/itrscombinationcentres/jpl/jpl">
2299                                <span>JPL</span>
2300                            </a>
2301                        
2302                    </li>
2303                
2304        
2305    
2306                    
2307                    </ul>
2308                    </li>
2309                
2310        
2311    
2312                                
2313                                    
2314        
2315            
2316                    <li>
2317                    <button aria-controls="menu-desktop-1088" aria-expanded="false" class="sub collapsed dropdown-item dropdown-item-btn hassub" data-bs-target="#menu-desktop-1088" data-bs-toggle="collapse" type="button" title="">Working groups</button>
2318                    <ul class="list-unstyled collapse subnav-children" id="menu-desktop-1088" data-bs-parent="#nav-desktop">
2319                    
2320                        
2321        
2322            
2323                    <li class="shortcut">
2324                    
2325                            <a class="sub collapsed dropdown-item" href="/iers/en/organization/workinggroups/workinggroups">
2326                                <span>Overview: Working groups</span>
2327                            </a>
2328                        
2329                    </li>
2330                
2331        
2332    
2333                    
2334                        
2335        
2336            
2337                    <li>
2338                    
2339                            <a class="sub collapsed dropdown-item" href="/iers/en/organization/workinggroups/sitesurvey/sitesurvey">
2340                                <span>Metrology of space geodetic infrastructure</span>
2341                            </a>
2342                        
2343                    </li>
2344                
2345        
2346    
2347                    
2348                        
2349        
2350            
2351                    <li>
2352                    <button aria-controls="menu-desktop-1091" aria-expanded="false" class="sub collapsed dropdown-item dropdown-item-btn hassub" data-bs-target="#menu-desktop-1091" data-bs-toggle="collapse" type="button" title="">SINEX Format</button>
2353                    <ul class="list-unstyled collapse subnav-children" id="menu-desktop-1091">
2354                    
2355                        
2356        
2357            
2358                    <li class="shortcut">
2359                    
2360                            <a class="sub collapsed dropdown-item" href="/iers/en/organization/workinggroups/sinex/sinex">
2361                                <span>Overview: SINEX Format</span>
2362                            </a>
2363                        
2364                    </li>
2365                
2366        
2367    
2368                    
2369                        
2370        
2371            
2372                    <li>
2373                    
2374                            <a class="sub collapsed dropdown-item" href="/iers/en/organization/workinggroups/sinex/sinex-dummy">
2375                                <span>Working Group on SINEX Format</span>
2376                            </a>
2377                        
2378                    </li>
2379                
2380        
2381    
2382                    
2383                        
2384        
2385            
2386                    <li>
2387                    
2388                            <a class="sub collapsed dropdown-item" href="/iers/en/organization/workinggroups/sinex/sinexformat/sinex">
2389                                <span>SINEX Format description</span>
2390                            </a>
2391                        
2392                    </li>
2393                
2394        
2395    
2396                    
2397                    </ul>
2398                    </li>
2399                
2400        
2401    
2402                    
2403                        
2404        
2405            
2406                    <li>
2407                    
2408                            <a class="sub collapsed dropdown-item" href="/iers/en/organization/workinggroups/consistentrealization/consistentrealization">
2409                                <span>Consistent Realization of TRF, CRF, and EOP</span>
2410                            </a>
2411                        
2412                    </li>
2413                
2414        
2415    
2416                    
2417                        
2418        
2419            
2420                    <li>
2421                    
2422                            <a class="sub collapsed dropdown-item" href="/iers/en/organization/workinggroups/predictioncomparison/predictioncomparison">
2423                                <span>EOP Prediction</span>
2424                            </a>
2425                        
2426                    </li>
2427                
2428        
2429    
2430                    
2431                        
2432        
2433            
2434                    <li>
2435                    
2436                            <a class="sub collapsed dropdown-item" href="/iers/en/organization/workinggroups/genesis/genesis">
2437                                <span>GENESIS</span>
2438                            </a>
2439                        
2440                    </li>
2441                
2442        
2443    
2444                    
2445                        
2446        
2447            
2448                    <li>
2449                    
2450                            <a class="sub collapsed dropdown-item" href="/iers/en/organization/workinggroups/evaluationtrf/evaluationtrf">
2451                                <span>Evaluation of the Terrestrial Reference Frames</span>
2452                            </a>
2453                        
2454                    </li>
2455                
2456        
2457    
2458                    
2459                    </ul>
2460                    </li>
2461                
2462        
2463    
2464                                
2465                                    
2466        
2467            
2468                    <li>
2469                    
2470                            <a class="sub collapsed dropdown-item" href="/iers/en/organization/workshops/workshops">
2471                                <span>Workshops</span>
2472                            </a>
2473                        
2474                    </li>
2475                
2476        
2477    
2478                                
2479                            </ul>
2480                        </div>
2481                    
2482                
2483        </li>
2484    
2485
2486    
2487
2488
2489                
2490                    
2491    
2492
2493    
2494        <li class="mainnav-desktop-item">
2495            
2496                    
2497                        <button aria-current="true" aria-controls="menu-desktop-1100" aria-expanded="false" class="first-nav first-nav-btn hassub" data-bs-auto-close="outside" data-bs-boundary="scrollParent" data-bs-display="static" data-bs-reference="parent" data-bs-toggle="dropdown" type="button" title="">
2498                            <span class="txt">Data, Products &amp; Tools</span>
2499                        </button>
2500                        <div class="dropdown-menu main-menu-desktop" id="menu-desktop-1100">
2501                            <div class="container d-flex justify-content-end pt-3 pb-3" style="height: 5.5rem !important">
2502                                <button aria-label="Close" class="btn-close rounded-circle dropdown-item" type="button"></button>
2503                            </div>
2504                            <ul class="container list-unstyled mainnav-children">
2505                                
2506                                    
2507        
2508            
2509                    <li class="shortcut">
2510                    
2511                            <a class="sub collapsed dropdown-item" href="/iers/en/dataproducts/data">
2512                                <span>Overview: Data, Products &amp; Tools</span>
2513                            </a>
2514                        
2515                    </li>
2516                
2517        
2518    
2519                                
2520                                    
2521        
2522            
2523                    <li>
2524                    
2525                            <a class="sub collapsed dropdown-item" href="/iers/en/dataproducts/earthorientationdata/eop">
2526                                <span>Earth orientation data</span>
2527                            </a>
2528                        
2529                    </li>
2530                
2531        
2532    
2533                                
2534                                    
2535        
2536            
2537                    <li>
2538                    <button aria-controls="menu-desktop-1103" aria-expanded="false" class="sub collapsed dropdown-item dropdown-item-btn hassub" data-bs-target="#menu-desktop-1103" data-bs-toggle="collapse" type="button" title="">ICRF</button>
2539                    <ul class="list-unstyled collapse subnav-children" id="menu-desktop-1103" data-bs-parent="#nav-desktop">
2540                    
2541                        
2542        
2543            
2544                    <li class="shortcut">
2545                    
2546                            <a class="sub collapsed dropdown-item" href="/iers/en/dataproducts/icrf/icrf">
2547                                <span>Overview: ICRF</span>
2548                            </a>
2549                        
2550                    </li>
2551                
2552        
2553    
2554                    
2555                        
2556        
2557            
2558                    <li>
2559                    
2560                            <a class="sub collapsed dropdown-item" href="/iers/en/dataproducts/icrf/icrf/icrf">
2561                                <span>ICRF1</span>
2562                            </a>
2563                        
2564                    </li>
2565                
2566        
2567    
2568                    
2569                        
2570        
2571            
2572                    <li>
2573                    
2574                            <a class="sub collapsed dropdown-item" href="/iers/en/dataproducts/icrf/icrfext/icrf-ext">
2575                                <span>ICRF-Ext.1</span>
2576                            </a>
2577                        
2578                    </li>
2579                
2580        
2581    
2582                    
2583                        
2584        
2585            
2586                    <li>
2587                    
2588                            <a class="sub collapsed dropdown-item" href="/iers/en/dataproducts/icrf/icrfext2/icrf-ext2">
2589                                <span>ICRF-Ext.2</span>
2590                            </a>
2591                        
2592                    </li>
2593                
2594        
2595    
2596                    
2597                        
2598        
2599            
2600                    <li>
2601                    
2602                            <a class="sub collapsed dropdown-item" href="/iers/en/dataproducts/icrf/icrf2/icrf2">
2603                                <span>ICRF2</span>
2604                            </a>
2605                        
2606                    </li>
2607                
2608        
2609    
2610                    
2611                        
2612        
2613            
2614                    <li>
2615                    
2616                            <a class="sub collapsed dropdown-item" href="/iers/en/dataproducts/icrf/icrf3/icrf3">
2617                                <span>ICRF3</span>
2618                            </a>
2619                        
2620                    </li>
2621                
2622        
2623    
2624                    
2625                    </ul>
2626                    </li>
2627                
2628        
2629    
2630                                
2631                                    
2632        
2633            
2634                    <li>
2635                    
2636                            <a class="sub collapsed dropdown-item" href="/iers/en/dataproducts/icrs/icrs">
2637                                <span>ICRS</span>
2638                            </a>
2639                        
2640                    </li>
2641                
2642        
2643    
2644                                
2645                                    
2646        
2647            
2648                    <li>
2649                    <button aria-controls="menu-desktop-1111" aria-expanded="false" class="sub collapsed dropdown-item dropdown-item-btn hassub" data-bs-target="#menu-desktop-1111" data-bs-toggle="collapse" type="button" title="">ITRF</button>
2650                    <ul class="list-unstyled collapse subnav-children" id="menu-desktop-1111" data-bs-parent="#nav-desktop">
2651                    
2652                        
2653        
2654            
2655                    <li class="shortcut">
2656                    
2657                            <a class="sub collapsed dropdown-item" href="/iers/en/dataproducts/itrf/itrf">
2658                                <span>Overview: ITRF</span>
2659                            </a>
2660                        
2661                    </li>
2662                
2663        
2664    
2665                    
2666                        
2667        
2668            
2669                    <li>
2670                    
2671                            <a class="sub collapsed dropdown-item" href="/iers/en/dataproducts/itrf/otherrealizations/otherrealizations">
2672                                <span>Other realizations of the ITRS</span>
2673                            </a>
2674                        
2675                    </li>
2676                
2677        
2678    
2679                    
2680                    </ul>
2681                    </li>
2682                
2683        
2684    
2685                                
2686                                    
2687        
2688            
2689                    <li>
2690                    
2691                            <a class="sub collapsed dropdown-item" href="/iers/en/dataproducts/itrs/itrs">
2692                                <span>ITRS</span>
2693                            </a>
2694                        
2695                    </li>
2696                
2697        
2698    
2699                                
2700                                    
2701        
2702            
2703                    <li>
2704                    
2705                            <a class="sub collapsed dropdown-item" href="/iers/en/dataproducts/geophysicalfluidsdata/geofluids">
2706                                <span>Geophysical fluids data</span>
2707                            </a>
2708                        
2709                    </li>
2710                
2711        
2712    
2713                                
2714                                    
2715        
2716            
2717                    <li>
2718                    
2719                            <a class="sub collapsed dropdown-item" href="/iers/en/dataproducts/conventions/conventions">
2720                                <span>Conventions</span>
2721                            </a>
2722                        
2723                    </li>
2724                
2725        
2726    
2727                                
2728                                    
2729        
2730            
2731                    <li>
2732                    <button aria-controls="menu-desktop-1117" aria-expanded="false" class="sub collapsed dropdown-item dropdown-item-btn hassub" data-bs-target="#menu-desktop-1117" data-bs-toggle="collapse" type="button" title="">Data analysis tools</button>
2733                    <ul class="list-unstyled collapse subnav-children" id="menu-desktop-1117" data-bs-parent="#nav-desktop">
2734                    
2735                        
2736        
2737            
2738                    <li class="shortcut">
2739                    
2740                            <a class="sub collapsed dropdown-item" href="/iers/en/dataproducts/tools/tools">
2741                                <span>Overview: Data analysis tools</span>
2742                            </a>
2743                        
2744                    </li>
2745                
2746        
2747    
2748                    
2749                        
2750        
2751            
2752                    <li>
2753                    
2754                            <a class="sub collapsed dropdown-item" href="/iers/en/dataproducts/tools/plot-tool/plot-tool">
2755                                <span>IERS Plot Tool</span>
2756                            </a>
2757                        
2758                    </li>
2759                
2760        
2761    
2762                    
2763                        
2764        
2765            
2766                    <li>
2767                    
2768                            <a class="sub collapsed dropdown-item" href="/iers/en/dataproducts/tools/eop-of-today/eop-of-today-tool">
2769                                <span>EOP of today</span>
2770                            </a>
2771                        
2772                    </li>
2773                
2774        
2775    
2776                    
2777                        
2778        
2779            
2780                    <li>
2781                    
2782                            <a class="sub collapsed dropdown-item" href="/iers/en/dataproducts/tools/timescales/timescales">
2783                                <span>Time scales</span>
2784                            </a>
2785                        
2786                    </li>
2787                
2788        
2789    
2790                    
2791                        
2792        
2793            
2794                    <li>
2795                    
2796                            <a class="sub collapsed dropdown-item" href="/iers/en/dataproducts/tools/eop-reader/eop-reader-tool">
2797                                <span>EOP reader</span>
2798                            </a>
2799                        
2800                    </li>
2801                
2802        
2803    
2804                    
2805                        
2806        
2807            
2808                    <li>
2809                    
2810                            <a class="sub collapsed dropdown-item" href="/iers/en/dataproducts/tools/date-converter/date-converter-tool">
2811                                <span>Date Converter</span>
2812                            </a>
2813                        
2814                    </li>
2815                
2816        
2817    
2818                    
2819                        
2820        
2821            
2822                    <li>
2823                    <button aria-controls="menu-desktop-1124" aria-expanded="false" class="sub collapsed dropdown-item dropdown-item-btn hassub" data-bs-target="#menu-desktop-1124" data-bs-toggle="collapse" type="button" title="">Web services</button>
2824                    <ul class="list-unstyled collapse subnav-children" id="menu-desktop-1124">
2825                    
2826                        
2827        
2828            
2829                    <li class="shortcut">
2830                    
2831                            <a class="sub collapsed dropdown-item" href="/iers/en/dataproducts/tools/webservices/webservice">
2832                                <span>Overview: Web services</span>
2833                            </a>
2834                        
2835                    </li>
2836                
2837        
2838    
2839                    
2840                        
2841        
2842            
2843                    <li>
2844                    
2845                            <a class="sub collapsed dropdown-item" href="/iers/en/dataproducts/tools/webservices/webservice-eop">
2846                                <span>EOP Web services</span>
2847                            </a>
2848                        
2849                    </li>
2850                
2851        
2852    
2853                    
2854                        
2855        
2856            
2857                    <li>
2858                    
2859                            <a class="sub collapsed dropdown-item" href="/iers/en/dataproducts/tools/webservices/webservice-time">
2860                                <span>Time scales and leap second Web service</span>
2861                            </a>
2862                        
2863                    </li>
2864                
2865        
2866    
2867                    
2868                    </ul>
2869                    </li>
2870                
2871        
2872    
2873                    
2874                        
2875        
2876            
2877                    <li>
2878                    
2879                            <a class="sub collapsed dropdown-item" href="/iers/en/dataproducts/tools/toolsofcomponents/toolsofcomponents-tool">
2880                                <span>Tools of IERS components</span>
2881                            </a>
2882                        
2883                    </li>
2884                
2885        
2886    
2887                    
2888                    </ul>
2889                    </li>
2890                
2891        
2892    
2893                                
2894                            </ul>
2895                        </div>
2896                    
2897                
2898        </li>
2899    
2900
2901    
2902
2903
2904                
2905                    
2906    
2907
2908    
2909        <li class="mainnav-desktop-item">
2910            
2911                    
2912                        <button aria-current="true" aria-controls="menu-desktop-1129" aria-expanded="false" class="first-nav first-nav-btn hassub" data-bs-auto-close="outside" data-bs-boundary="scrollParent" data-bs-display="static" data-bs-reference="parent" data-bs-toggle="dropdown" type="button" title="">
2913                            <span class="txt">Publications</span>
2914                        </button>
2915                        <div class="dropdown-menu main-menu-desktop" id="menu-desktop-1129">
2916                            <div class="container d-flex justify-content-end pt-3 pb-3" style="height: 5.5rem !important">
2917                                <button aria-label="Close" class="btn-close rounded-circle dropdown-item" type="button"></button>
2918                            </div>
2919                            <ul class="container list-unstyled mainnav-children">
2920                                
2921                                    
2922        
2923            
2924                    <li class="shortcut">
2925                    
2926                            <a class="sub collapsed dropdown-item" href="/iers/en/publications/publications">
2927                                <span>Overview: Publications</span>
2928                            </a>
2929                        
2930                    </li>
2931                
2932        
2933    
2934                                
2935                                    
2936        
2937            
2938                    <li>
2939                    
2940                            <a class="sub collapsed dropdown-item" href="/iers/en/publications/messages/messages">
2941                                <span>IERS Messages</span>
2942                            </a>
2943                        
2944                    </li>
2945                
2946        
2947    
2948                                
2949                                    
2950        
2951            
2952                    <li>
2953                    
2954                            <a class="sub collapsed dropdown-item" href="/iers/en/publications/bulletins/bulletins">
2955                                <span>IERS Bulletins</span>
2956                            </a>
2957                        
2958                    </li>
2959                
2960        
2961    
2962                                
2963                                    
2964        
2965            
2966                    <li>
2967                    
2968                            <a class="sub collapsed dropdown-item" href="/iers/en/publications/technicalnotes/technicalnotes">
2969                                <span>IERS Technical Notes</span>
2970                            </a>
2971                        
2972                    </li>
2973                
2974        
2975    
2976                                
2977                                    
2978        
2979            
2980                    <li>
2981                    
2982                            <a class="sub collapsed dropdown-item" href="/iers/en/publications/annualreports/annualreports">
2983                                <span>IERS Annual Reports</span>
2984                            </a>
2985                        
2986                    </li>
2987                
2988        
2989    
2990                                
2991                                    
2992        
2993            
2994                    <li class="shortcut">
2995                    
2996                            <a class="sub collapsed dropdown-item" href="/iers/en/organization/about/biblio/biblio">
2997                                <span>Publications about the IERS</span>
2998                            </a>
2999                        
3000                    </li>
3001                
3002        
3003    
3004                                
3005                                    
3006        
3007            
3008                    <li>
3009                    
3010                            <a class="sub collapsed dropdown-item" href="/iers/en/publications/subscription/subscription">
3011                                <span>New subscription to IERS publications</span>
3012                            </a>
3013                        
3014                    </li>
3015                
3016        
3017    
3018                                
3019                                    
3020        
3021            
3022                    <li>
3023                    
3024                            <a class="sub collapsed dropdown-item" href="/iers/en/publications/changesubscription/subscription">
3025                                <span>Change subscription to IERS publications</span>
3026                            </a>
3027                        
3028                    </li>
3029                
3030        
3031    
3032                                
3033                            </ul>
3034                        </div>
3035                    
3036                
3037        </li>
3038    
3039
3040    
3041
3042
3043                
3044                    
3045    
3046
3047    
3048        <li class="mainnav-desktop-item">
3049            
3050                    
3051                        <button aria-current="true" aria-controls="menu-desktop-1138" aria-expanded="false" class="first-nav first-nav-btn hassub" data-bs-auto-close="outside" data-bs-boundary="scrollParent" data-bs-display="static" data-bs-reference="parent" data-bs-toggle="dropdown" type="button" title="">
3052                            <span class="txt">Science background</span>
3053                        </button>
3054                        <div class="dropdown-menu main-menu-desktop" id="menu-desktop-1138">
3055                            <div class="container d-flex justify-content-end pt-3 pb-3" style="height: 5.5rem !important">
3056                                <button aria-label="Close" class="btn-close rounded-circle dropdown-item" type="button"></button>
3057                            </div>
3058                            <ul class="container list-unstyled mainnav-children">
3059                                
3060                                    
3061        
3062            
3063                    <li class="shortcut">
3064                    
3065                            <a class="sub collapsed dropdown-item" href="/iers/en/science/science">
3066                                <span>Overview: Science background</span>
3067                            </a>
3068                        
3069                    </li>
3070                
3071        
3072    
3073                                
3074                                    
3075        
3076            
3077                    <li>
3078                    
3079                            <a class="sub collapsed dropdown-item" href="/iers/en/science/resolutions/resolutions">
3080                                <span>Resolutions</span>
3081                            </a>
3082                        
3083                    </li>
3084                
3085        
3086    
3087                                
3088                            </ul>
3089                        </div>
3090                    
3091                
3092        </li>
3093    
3094
3095    
3096
3097
3098                
3099                    
3100    
3101
3102    
3103        <li class="mainnav-desktop-item">
3104            
3105                    
3106                        <button aria-current="true" aria-controls="menu-desktop-1141" aria-expanded="false" class="first-nav first-nav-btn hassub" data-bs-auto-close="outside" data-bs-boundary="scrollParent" data-bs-display="static" data-bs-reference="parent" data-bs-toggle="dropdown" type="button" title="">
3107                            <span class="txt">News &amp; Meetings</span>
3108                        </button>
3109                        <div class="dropdown-menu main-menu-desktop" id="menu-desktop-1141">
3110                            <div class="container d-flex justify-content-end pt-3 pb-3" style="height: 5.5rem !important">
3111                                <button aria-label="Close" class="btn-close rounded-circle dropdown-item" type="button"></button>
3112                            </div>
3113                            <ul class="container list-unstyled mainnav-children">
3114                                
3115                                    
3116        
3117            
3118                    <li class="shortcut">
3119                    
3120                            <a class="sub collapsed dropdown-item" href="/iers/en/newsmeetings/newsmeetings">
3121                                <span>Overview: News &amp; Meetings</span>
3122                            </a>
3123                        
3124                    </li>
3125                
3126        
3127    
3128                                
3129                                    
3130        
3131            
3132                    <li>
3133                    
3134                            <a class="sub collapsed dropdown-item" href="/iers/en/newsmeetings/news/news">
3135                                <span>News</span>
3136                            </a>
3137                        
3138                    </li>
3139                
3140        
3141    
3142                                
3143                                    
3144        
3145            
3146                    <li>
3147                    
3148                            <a class="sub collapsed dropdown-item" href="/iers/en/newsmeetings/forthcomingmeetings/forthcoming">
3149                                <span>Forthcoming meetings</span>
3150                            </a>
3151                        
3152                    </li>
3153                
3154        
3155    
3156                                
3157                                    
3158        
3159            
3160                    <li>
3161                    
3162                            <a class="sub collapsed dropdown-item" href="/iers/en/newsmeetings/pastmeetings/pastmeetings">
3163                                <span>Past meetings</span>
3164                            </a>
3165                        
3166                    </li>
3167                
3168        
3169    
3170                                
3171                                    
3172        
3173            
3174                    <li>
3175                    
3176                            <a class="sub collapsed dropdown-item" href="/iers/en/newsmeetings/mailinglists/mailinglists">
3177                                <span>Mailing lists</span>
3178                            </a>
3179                        
3180                    </li>
3181                
3182        
3183    
3184                                
3185                                    
3186        
3187            
3188                    <li class="shortcut">
3189                    
3190                            <a class="sub collapsed dropdown-item" href="/iers/en/organization/workshops/workshops">
3191                                <span>Workshops</span>
3192                            </a>
3193                        
3194                    </li>
3195                
3196        
3197    
3198                                
3199                            </ul>
3200                        </div>
3201                    
3202                
3203        </li>
3204    
3205
3206    
3207
3208
3209                
3210                    
3211    
3212
3213    
3214        <li class="mainnav-desktop-item shortcut">
3215            
3216                    
3217                            <a class="first-nav" href="/suche">
3218                                Search
3219                            </a>
3220                        
3221                
3222        </li>
3223    
3224
3225    
3226
3227
3228                
3229                
3230            </ul>
3231        </nav>
3232    </div>
3233
3234
3235            
3236
3237            
3238
3239            
3240        </div>
3241    </div>
3242</header>
3243
3244<div class="meta-mobile container d-block d-lg-none" id="meta-mobile"></div>
3245
3246
3247    
3248
3249<nav aria-labelledby="breadcrumb" class="container">
3250    <p class="visually-hidden" id="breadcrumb">You are here:</p>
3251    <ol class="breadcrumb">
3252        
3253            <li class="breadcrumb-item">
3254                
3255                        <a href="/" title="Home">
3256                            <span class="visually-hidden">Home</span>
3257                        </a>
3258                    
3259            </li>
3260        
3261            <li class="breadcrumb-item">
3262                
3263                        
3264                                <a aria-current="page" class="breadcrumb-link fw-bold" href="/inhaltsverzeichnis">
3265                                    <span>Sitemap</span>
3266                                </a>
3267                            
3268                    
3269            </li>
3270        
3271    </ol>
3272</nav>
3273
3274
3275
3276
3277
3278
3279
3280
3281    <main class="main-wrapper" id="mainContent" aria-labelledby="headerMain">
3282        
3283            <div class="top-container">
3284                
3285
3286
3287<div class="frame
3288frame-default
3289frame-type-ce_container
3290frame-layout-0
3291
3292frame-space-after-small
3293
3294
3295
3296
3297
3298 position-relative" id="c7597">
3299
3300    
3301
3302    
3303
3304    
3305
3306    <div class="container header-underline">
3307
3308    
3309        
3310
3311
3312        
3313    
3314
3315    
3316
3317
3318
3319
3320    
3321
3322    
3323    
3324        
3325            
3326
3327<div class="frame frame-default frame-type-stage stage stage-default frame-layout-0">
3328
3329
3330    
3331            
3332                <div class="stage-image">
3333                    
3334                        
3335
3336
3337
3338
3339
3340                        
3341
3342
3343        
3344            <picture class="" data-aspectratio-lg="NaN" data-aspectratio-md="NaN" data-aspectratio-sm="NaN" data-aspectratio-xl="NaN" data-aspectratio-xs="NaN">
3345                <source media="(min-width: 1200px)" srcset="/fileadmin/_processed_/5/8/csm_earth_c7e9cd9fdf.webp" type="image/webp">
3346                <source media="(min-width: 1200px)" srcset="/fileadmin/_processed_/5/8/csm_earth_bc9a73a419.jpg" type="image/jpeg">
3347                <source media="(min-width: 992px)" srcset="/fileadmin/_processed_/5/8/csm_earth_b927246757.webp" type="image/webp">
3348                <source media="(min-width: 992px)" srcset="/fileadmin/_processed_/5/8/csm_earth_ba681ecd68.jpg" type="image/jpeg">
3349                <source media="(min-width: 768px)" srcset="/fileadmin/_processed_/5/8/csm_earth_9700d461a8.webp" type="image/webp">
3350                <source media="(min-width: 768px)" srcset="/fileadmin/_processed_/5/8/csm_earth_1c72869f64.jpg" type="image/jpeg">
3351                <source media="(min-width: 576px)" srcset="/fileadmin/_processed_/5/8/csm_earth_3cf2a3e664.webp" type="image/webp">
3352                <source media="(min-width: 576px)" srcset="/fileadmin/_processed_/5/8/csm_earth_6692a4983b.jpg" type="image/jpeg">
3353                <source media="(min-width: 0)" srcset="/fileadmin/_processed_/5/8/csm_earth_170ceb8f25.webp" type="image/webp">
3354                <source media="(min-width: 0)" srcset="/fileadmin/_processed_/5/8/csm_earth_e10a241089.jpg" type="image/jpeg">
3355              
3356                <img class="figure-img img-fluid" src="/fileadmin/user_upload/earth.png" width="1920" height="466" alt="" loading="lazy">
3357              
3358            </picture>
3359        
3360    
3361
3362
3363                    
3364                </div>
3365            
3366        
3367
3368
3369
3370    
3371        
3372            <div class="container stage-content-wrapper nolink ">
3373                <div class="stage-content teaser">
3374                    <div class="teaser-content">
3375                        
3376                            
3377
3378
3379        
3380    
3381
3382    
3383        <div class="header-content">
3384            
3385
3386
3387
3388
3389
3390
3391    
3392            <h1 class=" " id="headerMain">
3393                <span id="element-7598-header">Sitemap</span>
3394            </h1>
3395        
3396
3397
3398
3399            
3400                    
3401
3402
3403
3404
3405                
3406            
3407
3408
3409
3410
3411
3412            
3413
3414
3415
3416
3417        </div>
3418    
3419
3420
3421
3422
3423                        
3424                        
3425                        
3426                    </div>
3427                    
3428                </div>
3429            </div>
3430        
3431    
3432</div>
3433
3434
3435        
3436    
3437
3438
3439    </div>
3440</div>
3441
3442
3443
3444            </div>
3445        
3446
3447        <div class="main-container container">
3448            <div class="row">
3449                <div class="col-12">
3450                    <!--TYPO3SEARCH_begin-->
3451                    
3452
3453<!-- Do not output frame wrapper for Solr result elements inside container (ul > li must not contain a div) --><div id="c10" class="frame frame-default frame-type-menu_sitemap_pages frame-layout-0 frame-space-after-large "><div class="ce-bodytext"><ul><li><a href="/iers/en/organization/organization" title="Organization"><span>Organization</span></a><ul><li><a href="/iers/en/organization/organization" title="Overview: Organization"><span>Overview: Organization</span></a></li><li><a href="/iers/en/organization/about/about" title="About IERS"><span>About IERS</span></a><ul><li><a href="/iers/en/organization/about/about" title="Overview: About IERS"><span>Overview: About IERS</span></a></li><li><a href="/iers/en/organization/about/objectives/objectives" title="Objectives"><span>Objectives</span></a></li><li><a href="/iers/en/organization/about/orgchart/chart" title="Organization chart"><span>Organization chart</span></a></li><li>
3453<a href="/iers/en/organization/about/structure/structure" title="Structure details"><span>Structure details</span></a></li><li><a href="/iers/en/service/ierscomponents/components" title="Components"><span>Components</span></a></li><li><a href="/iers/en/organization/about/relationorganizations/relationorganizations" title="Relations to other organizations"><span>Relations to other organizations</span></a><ul><li><a href="/iers/en/organization/about/relationorganizations/relationorganizations" title="Overview: Relations to other organizations"><span>Overview: Relations to other organizations</span></a></li><li><a href="/iers/en/organization/about/relationorganizations/iugg/iugg" title="IUGG"><span>IUGG</span></a></li><li><a href="/iers/en/organization/about/relationorganizations/iag/iag" title="IAG"><span>IAG</span></a></li><li><a href="/iers/en/organization/about/relationorganizations/iau/iau" title="IAU"><span>IAU</span></a></li><li><a href="/iers/en/organization/about/relationorganizations/ggos/ggos" title="GGOS"><span>GGOS</span></a></li><li><a href="/iers/en/organization/about/relationorganizations/wds/wds" title="WDS"><span>WDS</span></a></li><li><a href="/iers/en/organization/about/relationorganizations/icg/icg" title="ICG"><span>ICG</span></a></li><li><a href="/iers/en/organization/about/relationorganizations/cctf/cctf" title="CCTF"><span>CCTF</span></a></li></ul></li><li><a href="/iers/en/organization/about/tor/tor" title="Terms of Reference"><span>Terms of Reference</span></a></li><li><a href="/iers/en/organization/about/reports/reports" title="Reports and minutes"><span>Reports and minutes</span></a></li><li><a href="/iers/en/organization/about/biblio/biblio" title="Publications about the IERS"><span>Publications about the IERS</span></a></li><li><a href="/iers/en/organization/about/history/history" title="History"><span>History</span></a></li><li><a href="/iers/en/organization/about/contact/contact" title="Contacts"><span>Contacts</span></a></li></ul></li><li><a href="/iers/en/organization/directingboard/iersdirectingboard" title="Directing Board"><span>Directing Board</span></a></li><li><a href="/iers/en/organization/analysiscoordinator/analysis" title="Analysis Coordinator"><span>Analysis Coordinator</span></a></li><li><a href="/iers/en/organization/productcentres/pc" title="Product Centres"><span>Product Centres</span></a><ul><li><a href="/iers/en/organization/productcentres/pc" title="Overview: Product Centres"><span>Overview: Product Centres</span></a></li><li><a href="/iers/en/organization/productcentres/earthorientationcentre/eoc" title="Earth Orientation Centre"><span>Earth Orientation Centre</span></a></li><li><a href="/iers/en/organization/productcentres/rapidservicepredictioncentre/rapid" title="Rapid Service / Prediction Centre"><span>Rapid Service / Prediction Centre</span></a></li><li><a href="/iers/en/organization/productcentres/conventionscentre/conventions" title="Conventions Centre"><span>Conventions Centre</span></a></li><li><a href="/iers/en/organization/productcentres/icrscentre/icrs" title="ICRS Centre"><span>ICRS Centre</span></a></li><li><a href="/iers/en/organization/productcentres/itrscentre/itrs" title="ITRS Centre"><span>ITRS Centre</span></a></li><li><a href="/iers/en/organization/productcentres/ggfc/ggfc" title="Global Geophysical Fluids Centre"><span>Global Geophysical Fluids Centre</span></a><ul><li><a href="/iers/en/organization/productcentres/ggfc/ggfc" title="Overview: Global Geophysical Fluids Centre"><span>Overview: Global Geophysical Fluids Centre</span></a></li><li><a href="/iers/en/organization/productcentres/ggfc/sboceans/ocean" title="Special Bureau for the Oceans"><span>Special Bureau for the Oceans</span></a></li><li><a href="/iers/en/organization/productcentres/ggfc/sbhydrology/hydrology" title="Special Bureau for Hydrology"><span>Special Bureau for Hydrology</span></a></li><li><a href="/iers/en/organization/productcentres/ggfc/sbatmosphere/atmosphere" title="Special Bureau for the Atmosphere"><span>Special Bureau for the Atmosphere</span></a></li><li><a href="/iers/en/organization/productcentres/ggfc/sbcombination/combination" title="Special Bureau for Combination"><span>Special Bureau for Combination</span></a></li></ul></li></ul></li><li><a href="/iers/en/organization/techniquecentres/tc" title="Technique Centres"><span>Technique Centres</span></a><ul><li><a href="/iers/en/organization/techniquecentres/tc" title="Overview: Technique Centres"><span>Overview: Technique Centres</span></a></li><li><a href="/iers/en/organization/techniquecentres/ids/ids" title="International DORIS Service"><span>International DORIS Service</span></a></li><li><a href="/iers/en/organization/techniquecentres/igs/igs" title="International GNSS Service"><span>International GNSS Service</span></a></li><li><a href="/iers/en/organization/techniquecentres/ilrs/ilrs" title="International Laser Ranging Service"><span>International Laser Ranging Service</span></a></li><li><a href="/iers/en/organization/techniquecentres/ivs/ivs" title="International VLBI Service"><span>International VLBI Service</span></a></li></ul></li><li><a href="/iers/en/organization/centralbureau/bureau" title="Central Bureau"><span>Central Bureau</span></a></li><li><a href="/iers/en/organization/itrscombinationcentres/itrscc" title="ITRS Combination Centres"><span>ITRS Combination Centres</span></a><ul><li><a href="/iers/en/organization/itrscombinationcentres/itrscc" title="Overview: ITRS Combination Centres"><span>Overview: ITRS Combination Centres</span></a></li><li><a href="/iers/en/organization/itrscombinationcentres/dgfi/dgfi" title="DGFI-TUM"><span>DGFI-TUM</span></a></li><li><a href="/iers/en/organization/itrscombinationcentres/ign/ign" title="IGN"><span>IGN</span></a></li><li><a href="/iers/en/organization/itrscombinationcentres/jpl/jpl" title="JPL"><span>JPL</span></a></li></ul></li><li><a href="/iers/en/organization/workinggroups/workinggroups" title="Working groups"><span>Working groups</span></a><ul><li><a href="/iers/en/organization/workinggroups/workinggroups" title="Overview: Working groups"><span>Overview: Working groups</span></a></li><li><a href="/iers/en/organization/workinggroups/sitesurvey/sitesurvey" title="Metrology of space geodetic infrastru
3453cture"><span>Metrology of space geodetic infrastructure</span></a></li><li><a href="/iers/en/organization/workinggroups/sinex/sinex" title="SINEX Format"><span>SINEX Format</span></a><ul><li><a href="/iers/en/organization/workinggroups/sinex/sinex" title="Overview: SINEX Format"><span>Overview: SINEX Format</span></a></li><li><a href="/iers/en/organization/workinggroups/sinex/sinex-dummy" title="Working Group on SINEX Format"><span>Working Group on SINEX Format</span></a></li><li><a href="/iers/en/organization/workinggroups/sinex/sinexformat/sinex" title="SINEX Format description"><span>SINEX Format description</span></a></li></ul></li><li><a href="/iers/en/organization/workinggroups/consistentrealization/consistentrealization" title="Consistent Realization of TRF, CRF, and EOP"><span>Consistent Realization of TRF, CRF, and EOP</span></a></li><li><a href="/iers/en/organization/workinggroups/predictioncomparison/predictioncomparison" title="EOP Prediction"><span>EOP Prediction</span></a></li><li><a href="/iers/en/organization/workinggroups/genesis/genesis" title="GENESIS"><span>GENESIS</span></a></li><li><a href="/iers/en/organization/workinggroups/evaluationtrf/evaluationtrf" title="Evaluation of the Terrestrial Reference Frames"><span>Evaluation of the Terrestrial Reference Frames</span></a></li></ul></li><li><a href="/iers/en/organization/workshops/workshops" title="Workshops"><span>Workshops</span></a></li></ul></li><li><a href="/iers/en/dataproducts/data" title="Data, Products &amp; Tools"><span>Data, Products &amp; Tools</span></a><ul><li><a href="/iers/en/dataproducts/data" title="Overview: Data, Products &amp; Tools"><span>Overview: Data, Products &amp; Tools</span></a></li><li><a href="/iers/en/dataproducts/earthorientationdata/eop" title="Earth orientation data"><span>Earth orientation data</span></a></li><li><a href="/iers/en/dataproducts/icrf/icrf" title="ICRF"><span>ICRF</span></a><ul><li><a href="/iers/en/dataproducts/icrf/icrf" title="Overview: ICRF"><span>Overview: ICRF</span></a></li><li><a href="/iers/en/dataproducts/icrf/icrf/icrf" title="ICRF1"><span>ICRF1</span></a></li><li><a href="/iers/en/dataproducts/icrf/icrfext/icrf-ext" title="ICRF-Ext.1"><span>ICRF-Ext.1</span></a></li><li><a href="/iers/en/dataproducts/icrf/icrfext2/icrf-ext2" title="ICRF-Ext.2"><span>ICRF-Ext.2</span></a></li><li><a href="/iers/en/dataproducts/icrf/icrf2/icrf2" title="ICRF2"><span>ICRF2</span></a></li><li><a href="/iers/en/dataproducts/icrf/icrf3/icrf3" title="ICRF3"><span>ICRF3</span></a></li></ul></li><li><a href="/iers/en/dataproducts/icrs/icrs" title="ICRS"><span>ICRS</span></a></li><li><a href="/iers/en/dataproducts/itrf/itrf" title="ITRF"><span>ITRF</span></a><ul><li><a href="/iers/en/dataproducts/itrf/itrf" title="Overview: ITRF"><span>Overview: ITRF</span></a></li><li><a href="/iers/en/dataproducts/itrf/otherrealizations/otherrealizations" title="Other realizations of the ITRS"><span>Other realizations of the ITRS</span></a></li></ul></li><li><a href="/iers/en/dataproducts/itrs/itrs" title="ITRS"><span>ITRS</span></a></li><li><a href="/iers/en/dataproducts/geophysicalfluidsdata/geofluids" title="Geophysical fluids data"><span>Geophysical fluids data</span></a></li><li><a href="/iers/en/dataproducts/conventions/conventions" title="Conventions"><span>Conventions</span></a></li><li><a href="/iers/en/dataproducts/tools/tools" title="Data analysis tools"><span>Data analysis tools</span></a><ul><li><a href="/iers/en/dataproducts/tools/tools" title="Overview: Data analysis tools"><span>Overview: Data analysis tools</span></a></li><li><a href="/iers/en/dataproducts/tools/plot-tool/plot-tool" title="IERS Plot Tool"><span>IERS Plot Tool</span></a></li><li><a href="/iers/en/dataproducts/tools/eop-of-today/eop-of-today-tool" title="EOP of today"><span>EOP of today</span></a></li><li><a href="/iers/en/dataproducts/tools/timescales/timescales" title="Time scales"><span>Time scales</span></a></li><li><a href="/iers/en/dataproducts/tools/eop-reader/eop-reader-tool" title="EOP reader"><span>EOP reader</span></a></li><li><a href="/iers/en/dataproducts/tools/date-converter/date-converter-tool" title="Date Converter"><span>Date Converter</span></a></li><li><a href="/iers/en/dataproducts/tools/webservices/webservice" title="Web services"><span>Web services</span></a><ul><li><a href="/iers/en/dataproducts/tools/webservices/webservice" title="Overview: Web services"><span>Overview: Web services</span></a></li><li><a href="/iers/en/dataproducts/tools/webservices/webservice-eop" title="EOP Web services"><span>EOP Web services</span></a></li><li><a href="/iers/en/dataproducts/tools/webservices/webservice-time" title="Time scales and leap second Web service"><span>Time scales and leap second Web service</span></a></li></ul></li><li><a href="/iers/en/dataproducts/tools/toolsofcomponents/toolsofcomponents-tool" title="Tools of IERS components"><span>Tools of IERS components</span></a></li></ul></li></ul></li><li><a href="/iers/en/publications/publications" title="Publications"><span>Publications</span></a><ul><li><a href="/iers/en/publications/publications" title="Overview: Publications"><span>Overview: Publications</span></a></li><li><a href="/iers/en/publications/messages/messages" title="IERS Messages"><span>IERS Messages</span></a></li><li><a href="/iers/en/publications/bulletins/bulletins" title="IERS Bulletins"><span>IERS Bulletins</span></a></li><li><a href="/iers/en/publications/technicalnotes/technicalnotes" title="IERS Technical Notes"><span>IERS Technical Notes</span></a></li><li><a href="/iers/en/publications/annualreports/annualreports" title="IERS Annual Reports"><span>IERS Annual Reports</span></a></li><li><a href="/iers/en/organization/about/biblio/biblio" title="Publications about the IERS"><span>Publications about the IERS</span></a></li><li><a href="/iers/en/publications/subscription/subscription" title="New subscription to IERS publications"><span>New subscription to IERS publications</span></a></li><li><a href="/iers/en/publications/changesubscription/subscription" title="Change subscription to IERS publications"><span>Change subscription to IERS publications</span></a></li></ul></li><li><a href="/iers/en/science/science" title="Science background"><span>Science background</span></a><ul><li><a href="/iers/en/science/science" title="Overview: Science background"><span>Overview: Science background</span></a></li><li><a href="/iers/en/science/resolutions/resolutions" title="Resolutions"><span>Resolutions</span></a></li></ul></li><li><a href="/iers/en/newsmeetings/newsmeetings" title="News &amp; Meetings"><span>News &amp; Meetings</span></a><ul><li><a href="/iers/en/newsmeetings/newsmeetings" title="Overview: News &amp; Meetings"><span>Overview: News &amp; Meetings</span></a></li><li><a href="/iers/en/newsmeetings/news/news" title="News"><span>News</span></a></li><li><a href="/iers/en/newsmeetings/forthcomingmeetings/forthcoming" title="Forthcoming meetings"><span>Forthcoming meetings</span></a></li><li><a href="/iers/en/newsmeetings/pastmeetings/pastmeetings" title="Past meetings"><span>Past meetings</span></a></li><li><a href="/iers/en/newsmeetings/mailinglists/mailinglists" title="Mailing lists"><span>Mailing lists</span></a></li><li><a href="/iers/en/organization/workshops/workshops" title="Workshops"><span>Workshops</span></a></li></ul></li><li><a href="/suche" title="Search"><span>Search</span></a></li></ul></div></div>
3454
3455
3456                    
3457
3458<!-- Do not output frame wrapper for Solr result elements inside container (ul > li must not contain a div) --><div id="c7544" class="frame frame-default frame-type-shortcut frame-layout-0 "><!-- Do not output frame wrapper for Solr result elements inside container (ul > li must not contain a div) --><div id="c5737" class="frame frame-default frame-type-image frame-layout-0 frame-space-after-medium "><div class="textpic topright"><div class="ce-gallery" data-images="2"><ul class="ce-row row flex-column flex-nowrap"><li data-count="0" class="image-wrapper col"><figure class="figure"><picture class="" data-aspectratio-lg="NaN" data-aspectratio-md="NaN" data-aspectratio-sm="NaN" data-aspectratio-xl="NaN" data-aspectratio-xs="NaN"><source media="(min-width: 1200px)" srcset="/fileadmin/_processed_/a/f/csm_logo_
3458iau_3e7c7fd487.webp" type="image/webp"><source media="(min-width: 1200px)" srcset="/fileadmin/SiteGlobals/StyleBundles/Bilder/Farbschema/logo_iau.jpg" type="image/jpeg"><source media="(min-width: 992px)" srcset="/fileadmin/_processed_/a/f/csm_logo_iau_3e7c7fd487.webp" type="image/webp"><source media="(min-width: 992px)" srcset="/fileadmin/SiteGlobals/StyleBundles/Bilder/Farbschema/logo_iau.jpg" type="image/jpeg"><source media="(min-width: 768px)" srcset="/fileadmin/_processed_/a/f/csm_logo_iau_dfbc78701a.webp" type="image/webp"><source media="(min-width: 768px)" srcset="/fileadmin/SiteGlobals/StyleBundles/Bilder/Farbschema/logo_iau.jpg" type="image/jpeg"><source media="(min-width: 576px)" srcset="/fileadmin/_processed_/a/f/csm_logo_iau_56247ebec4.webp" type="image/webp"><source media="(min-width: 576px)" srcset="/fileadmin/SiteGlobals/StyleBundles/Bilder/Farbschema/logo_iau.jpg" type="image/jpeg"><source media="(min-width: 0)" srcset="/fileadmin/_processed_/a/f/csm_logo_iau_c2dc085e44.webp" type="image/webp"><source media="(min-width: 0)" srcset="/fileadmin/SiteGlobals/StyleBundles/Bilder/Farbschema/logo_iau.jpg" type="image/jpeg"><a href="https://www.iau.org/" target="_blank" rel="noreferrer" class="image-link"><img class="figure-img img-fluid" src="/fileadmin/SiteGlobals/StyleBundles/Bilder/Farbschema/logo_iau.jpg" width="80" height="50" alt="Link to IAU" title="Link to IAU" loading="lazy"></a></picture></figure></li><li data-count="1" class="image-wrapper col"><figure class="figure"><picture class="" data-aspectratio-lg="NaN" data-aspectratio-md="NaN" data-aspectratio-sm="NaN" data-aspectratio-xl="NaN" data-aspectratio-xs="NaN"><source media="(min-width: 1200px)" srcset="/fileadmin/_processed_/5/6/csm_logo_iugg_bc24e9bd21.webp" type="image/webp"><source media="(min-width: 1200px)" srcset="/fileadmin/SiteGlobals/StyleBundles/Bilder/Farbschema/logo_iugg.jpg" type="image/jpeg"><source media="(min-width: 992px)" srcset="/fileadmin/_processed_/5/6/csm_logo_iugg_bc24e9bd21.webp" type="image/webp"><source media="(min-width: 992px)" srcset="/fileadmin/SiteGlobals/StyleBundles/Bilder/Farbschema/logo_iugg.jpg" type="image/jpeg"><source media="(min-width: 768px)" srcset="/fileadmin/_processed_/5/6/csm_logo_iugg_054ddb836d.webp" type="image/webp"><source media="(min-width: 768px)" srcset="/fileadmin/SiteGlobals/StyleBundles/Bilder/Farbschema/logo_iugg.jpg" type="image/jpeg"><source media="(min-width: 576px)" srcset="/fileadmin/_processed_/5/6/csm_logo_iugg_560fad70c0.webp" type="image/webp"><source media="(min-width: 576px)" srcset="/fileadmin/SiteGlobals/StyleBundles/Bilder/Farbschema/logo_iugg.jpg" type="image/jpeg"><source media="(min-width: 0)" srcset="/fileadmin/_processed_/5/6/csm_logo_iugg_8b9fc0a509.webp" type="image/webp"><source media="(min-width: 0)" srcset="/fileadmin/SiteGlobals/StyleBundles/Bilder/Farbschema/logo_iugg.jpg" type="image/jpeg"><a href="http://www.iugg.org/" target="_blank" rel="noreferrer" class="image-link"><img class="figure-img img-fluid" src="/fileadmin/SiteGlobals/StyleBundles/Bilder/Farbschema/logo_iugg.jpg" width="93" height="50" alt="Link to IUGG" title="Link to IUGG" loading="lazy"></a></picture></figure></li></ul></div></div></div></div>
3459
3460
3461                    <!--TYPO3SEARCH_end-->
3462                    
3463
3464
3465
3466
3467
3468
3469                </div>
3470            </div>
3471        </div>
3472    </main>
3473
3474    
3475
3476<footer class="fw-bold text-gray-600 py-5 border-top border-2 position-relative" aria-labelledby="footerID">
3477    <div id="footerID" hidden>Service section</div>
3478    <div class="container pb-5">
3479        
3480
3481    <div class="row">
3482        <div class="col-12">
3483            <div class="row align-items-start py-4">
3484                
3485                        <div class="col-12 col-lg-4 pb-2">
3486                            
3487                                <p class="footer-copyright-distances footer-copyright-font-properties">
3488                                    &copy; 2026
3489                                    Federal Agency for Cartography and Geodesy 
3490                                </p>
3491                            
3492                        </div>
3493                        <div class="col-12 col-lg-8 pb-2">
3494                            <nav aria-labelledby="meta" class="text-uppercase">
3495                                <h3 class="visually-hidden" id="meta">Service navigation Footer</h3>
3496                                <ul class="footer-nav nav footer-nav-mobile justify-content-end">
3497                                    
3498                                        <li class="nav-item footer-nav-item-distances">
3499                                            
3500                                                    <a class="nav-link footer-nav-link-distances" href="/iers/en/service/imprint">
3501                                                        Legal &amp; Privacy
3502                                                    </a>
3503                                                
3504                                        </li>
3505                                    
3506                                        <li class="nav-item footer-nav-item-distances">
3507                                            
3508                                                    <a class="nav-link footer-nav-link-distances" href="/iers/en/service/accessibilitystatement/as">
3509                                                        Accessibility statement
3510                                                    </a>
3511                                                
3512                                        </li>
3513                                    
3514                                        <li class="nav-item footer-nav-item-distances">
3515                                            
3516                                                    <a class="nav-link footer-nav-link-distances" href="/iers/en/service/dataprivacystatement/dps">
3517                                                        Privacy statement
3518                                                    </a>
3519                                                
3520                                        </li>
3521                                    
3522                                        <li class="nav-item footer-nav-item-distances">
3523                                            
3524                                                    <a aria-current="page" class="nav-link footer-nav-link-distances current" href="/inhaltsverzeichnis">
3525                                                        Sitemap
3526                                                    </a>
3527                                                
3528                                        </li>
3529                                    
3530                                        <li class="nav-item footer-nav-item-distances">
3531                                            
3532                                                    <a class="nav-link footer-nav-link-distances" href="/suche">
3533                                                        Search
3534                                                    </a>
3535                                                
3536                                        </li>
3537                                    
3538                                        <li class="nav-item footer-nav-item-distances">
3539                                            
3540                                                    <a class="nav-link footer-nav-link-distances" href="/iers/en/service/contact">
3541                                                        Contact
3542                                                    </a>
3543                                                
3544                                        </li>
3545                                    
3546                                </ul>
3547                            </nav>
3548                        </div>
3549                    
3550            </div>
3551        </div>
3552    </div>
3553
3554
3555        
3556
3557
3558
3559    </div>
3560    
3561    <a href="#top" class="totop shadow" aria-labelledby="pageToTopLabel" title="">
3562        <span id="pageToTopLabel" class="visually-hidden"></span>
3563        <div class="ol"></div>
3564        <div class="bg"></div>
3565    </a>
3566</footer>
3567
3568
3569
3570
3571    
3572
3573        
3574    
3575<div id="cookie-banner" class="consent-banner-positioning" data-src="/consent.html" data-store-url="/storeConsent.html" data-store-lifetime="31536000" data-version="0" data-preserve-selected="1"></div>
3576
3577
3578
3579
3580
3581
3582
3583
3584<a href="#cookie-banner" class="d-none" id="cookie-banner-link" data-replacement-link-selector=".footer-nav .nav-item:last-child" title="Open Consent Management">
3585    Cookies
3586</a>
3587
3588
3589
3590<div id="glossary-definition-modal" class="modal fade" aria-hidden="true" role="dialog" aria-modal="true" aria-labelledby="glossary-definition-modal-title" aria-describedby="glossary-definition-modal-body" tabindex="-1">
3591  <div class="modal-dialog modal-md modal-dialog-scrollable modal-dialog-centered" role="document">
3592    <div class="modal-content">
3593      <div class="modal-header">
3594        <div class="container">
3595          <div class="row g-0">
3596            <div class="col-10 title">
3597              <h2 id="glossary-definition-modal-title"></h2>
3598            </div>
3599            <div class="col-2 close text-end">
3600              <div class="btn-close-wrapper">
3601                <button class="btn-close" type="button" data-bs-dismiss="modal" data-close-modal title="Close">
3602                    <span class="visually-hidden">Close</span>
3603                </button>
3604              </div>
3605            </div>
3606          </div>
3607        </div>
3608      </div>
3609
3610      <div class="main-container container">
3611        <div id="glossary-definition-modal-body" class="modal-body"></div>
3612        <div class="modal-footer glossary-modal-footer">
3613          <div class="ce-bodytext">
3614            <ul>
3615              <li class="list-unstyled">
3616                <a id="glossary-definition-modal-link" class="internal-link" href="#" title="To the glossary">
3617                  <span class="icon" aria-hidden="true"></span>To the glossary
3618                </a>
3619              </li>
3620            </ul>
3621          </div>
3622        </div>
3623      </div>
3624
3625    </div>
3626  </div>
3627</div>
3628<script src="/_assets/407ae717c4b09e486e22ae7c2bfaaf6f/JavaScript/consent-overlay.js?1785228801" integrity="sha256-ZpUGMIPVvbuqZMM3SLv8bXhudLhAy4qXsBsvOvTUdeA="></script>
vendor: 1 bytes, line 3628
3628
3629<script src="/_assets/542a38dbcbc3e9671534c5c3a6f2632b/JavaScript/FormCrShield.js?1758944859" integrity="sha256-xqjSUhVBmVdNisYO4MoXZ8OjWXxF66Qy5YkHhOo3t1w="></script>
vendor: 1 bytes, line 3629
3629
3630<script src="/_assets/2cc2b3842a6bf65d4bbef6ad377cbd88/JavaScripts/screen.js?1788163776" integrity="sha256-Rgj9tWu5n7BbSpQoxPzELIYHwWsLhYT0VVXVSblLFY4="></script>
vendor: 1 bytes, line 3630
3630
3631<script src="/_assets/2cc2b3842a6bf65d4bbef6ad377cbd88/JavaScripts/navigationPrimary.js?1788163776" integrity="sha256-m4mkfzLwpN98whlEM0q+EQHMmdfqvjM7Ggj65WAvj5g="></script>
vendor: 1 bytes, line 3631
3631
3632<script src="/_assets/76f10eee146e450e64a6aac7fdeee007/JavaScripts/solr.js?1788163532" integrity="sha256-DMECVVcvX37E7z0TSl1Jnlb4jQ9umT3paERJJH8rY9E="></script>
vendor: 1 bytes, line 3632
3632
3633<script integrity="sha256-M5JsLfQ0y/9Z2BGu2cwroI7bHaT672Zil3bpapivuik=" src="/_assets/407ae717c4b09e486e22ae7c2bfaaf6f/JavaScript/cookieBannerFull.js?1785228801"></script>
3633<style integrity="sha256-+EOh5g2e9Y+Dg6kQZxuuaWUO7sqbZQxPb+9GHdUaYr0=">
3634    
3635    
3636    
3637
3638    
3639    
3640
3641    
3642    
3643
3644    
3645    
3646
3647    
3648    
3649
3650
3651    
3652    
3653    
3654
3655    
3656    
3657
3658
3659</style>
3660
3661<img src="https://piwik.itzbund.de/matomo.php?idsite=172&amp;rec=1" style="border:0; display:none;" aria-hidden="true" alt="">
3662</body>
3663</html>

Line numbers count LF bytes from the start of the resource, as the search results do. Vendor segments are library code the classifier recognised; they are stored but not indexed. Bytes are shown as Latin1 characters, one per byte.