https://hamwaves.com/index/en/index.md

1---
2title: hamwaves.com
3subtitle: Hello and welcome to my hobby web\ site!
4author: 73 de Serge Stroobandt, ON4AA
5date: Copyright 2001--2024, $(BYNCSA)
6description: 'Indispensable amateur radio information, including: multiband antenna designs, on-line HF propagation prediction, calculators, live ham radio and GNU/Linux.'
7application-name: lookup
8...
9
10
11- [![ham](../images/ham.gif)_What is_ Amateur (Ham) Radio?](https://en.wikipedia.org/wiki/Ham_radio)
12- [![RF hazard](../images/hazard.rf.png)Contest _Calendars_](../../contests/en/index.html)
13- [![DX](../images/dx.png)DX Resources](../../dx/en/index.html)
14- [![ham operator](../images/ham.operator.gif)Operating, Logging\ &\ CW](../../operating/en/index.html)
15- [![IARU](../images/iaru.png)Band Plans](../../bandplans/en/index.html)
16- [![ITU+CQ](../images/itu+cq.png)_Amateur Radio_ Maps](../../maps/en/index.html)
17- [![QSL](../images/qsl.png)QSL-ing](../../qsl/en/index.html)
18- [![Yaesu FT-990](../images/yaesu.ft-990.png)_Shack_ Projects](../../shack/en/index.html)
19- [![papers](../images/papers.jpg)Magazines](../../magazines/en/index.html)
20- [![podcast](../images/podcast.png)Podcasts](../../podcasts/en/index.html)
21- [![radio](../images/radio.png)Internet Radio _Streams_](../../streams/en/index.html)
22- d
23- [![propagation](../../images/black.png){#propagation}_Real-Time_ HF Propagation _Space Weather_](../../propagation/index.html)
24- [![websdr](../images/websdr.jpg)_Listen to_ Live Ham Radio](http://websdr.org/)
25- [![antennas](../images/antennas.gif)_Antenna_ Designs](../../antennas/en/index.html)
26- [![doorknob capacitor](../images/doorknob.png)_Antenna_ Components](../../components/en/index.html)
27- [![calculator](../images/calculator.png)_RF Engineering_ Calculators](../../calculators/en/index.html)
28- [![Petzl MGO harness](../images/petzl.mgo.png)Fall\ Arrest, Rope Access\ & Knots](../../rope_access/en/index.html)
29- [![QRP](../images/qrp.png)_Wilderness_ QRP](../../qrp/en/index.html)
30- [![APRS](../images/aprs.png)Packet Reporting Systems](../../prs/en/index.html)
31- [![MicroPython](../images/micropython.svg)Internet of Things _with MicroPython_](../../iot/en/index.html)
32- [![ARDF](../images/ardf.png)_Amateur_ Radio Direction Finding](../../ardf/index.html)
33- [![RTTY](../images/rtty.png)Digital HF Modes](../../hf.digital/en/index.html)
34- [![QRM](../images/qrm.png)_Sources of_ RF Interference](../../qrm/en/index.html)
35- <img src="../images/qrz.png" alt="QRZ" />
36<form name="qrz" action="index.html" onsubmit="return false">
37<input type="text" name="callsign" size="7" oninput="copyCall(this)" onkeypress="keyEval(this, event)"/><input type="button" value="Lookup Call" onclick="lookupCall(this)"/><input type="button" value="Clear" onclick="clearCall()"/>
38</form>
39- <img src="../images/hamqth.png" alt="HamQTH" />
40<form name="hamqth" action="index.html" onsubmit="return false">
41<input type="text" name="callsign" size="7" oninput="copyCall(this)" onkeypress="keyEval(this, event)"/><input type="button" value="Lookup Call" onclick="lookupCall(this)"/><input type="button" value="Clear" onclick="clearCall()"/>
42</form>
43- [![ham Tux](../images/tux.ham.png)_Amateur Radio with_ GNU/Linux](../../linux.ham/en/index.html)
44- [![connectivity](../images/connectivity.jpg)Information Technology](../../it/en/index.html)
45- [![words](../images/words.jpg)_Natural_ Languages](../../languages/en/index.html)
46- [![Europe precipitation](../../images/blue.png){#precipitation_eu}Europe's Weather](../../wx/en/index.html)
47- [![RiSX](../images/risx.jpg)_Ham\ Radio_ for the Youth](../../youth/en/index.html)
48- [![shuttle](../images/shuttle.jpg)_Ham Radio_ In\ Space](../../space/en/index.html)
49- [![stealth](../images/stealth.jpg)Surface Waves _on Stealth Aircraft_](../../stealth/en/index.html)
50- [![roar](../images/roar.jpg)Clubs, Associations\ & Repeaters](../../clubs/en/index.html)
51- [![phone plugs](../images/phone.plugs.jpg)_Shameless_ Plugs](../../plugs/en/index.html)
52- d
53
54

55<script src="../js/lookup.js"></script>

55
56
57

58<script>
59//<![CDATA[
60// @license magnet:?xt=urn:btih:1f739d935676111cfff4b4693e3816e664797050&dn=gpl-3.0.txt GPL-v3-or-Later
61
62
63    /*FUNCTIONS*/
64
65    function get_propagation() {
66        image = document.getElementById('propagation');
67        image.src = 'https://sdo.gsfc.nasa.gov/assets/img/latest/latest_256_0211.jpg' + '?' + new Date().getTime();
68        image.onerror = function() { this.onerror = null; this.src = '../../images/black.png'; };
69    }
70
71
72    function get_precipitation_eu() {
73        image = document.getElementById('precipitation_eu');
74        image.src = 'https://image.buienradar.nl/2.0/image/animation/RadarMapRainEU?height=80&width=80&extension=gif&renderBackground=True&renderBranding=False&renderText=True&history=6&forecast=6&skip=0' + '&' + new Date().getTime();
75        image.onerror = function() { this.onerror = null; this.src = '../../images/blue.png'; };
76    }
77
78
79    /*MAIN*/
80
81    get_propagation();
82    get_precipitation_eu();
83
84    setInterval(get_propagation,     1800*1000);    // in ms = every half hour
85    setInterval(get_precipitation_eu, 450*1000);    // in ms = every 7.5 minutes
86
87
88// @license-end
89//]]>
90</script>

90