interesting links2024-01-08T13:35:57+01:00https://roland.iwasno.net/links/https://roland.iwasno.net/links/https://roland.iwasno.net/links/Dipole Calculator | Antenna Length Calculatorhttps://roland.iwasno.net/links/?jZJyBQ2024-01-08T13:35:57+01:00Found via rtl-sdr.com, includes adjustment factor which depends on the diameter of the conductors.<br>(<a href="https://roland.iwasno.net/links/?jZJyBQ">Permalink</a>)Helix antenna for L-bandhttps://roland.iwasno.net/links/?uQyZ2w2023-09-23T13:45:51+02:00All parts 3D printed from PETG material, UV resistent and water proof. Found via <a href="https://www.rtl-sdr.com/techminds-building-a-3d-printed-2-4-ghz-dual-feed-helix-for-qo-100/" rel="nofollow">https://www.rtl-sdr.com/techminds-building-a-3d-printed-2-4-ghz-dual-feed-helix-for-qo-100/</a> and <a href="https://www.qrz.com/db/DC8PAT" rel="nofollow">https://www.qrz.com/db/DC8PAT</a><br />
See also <a href="https://www.rtl-sdr.com/receiving-x-band-images-from-the-arktika-m1-arctic-monitoring-satellite/" rel="nofollow">https://www.rtl-sdr.com/receiving-x-band-images-from-the-arktika-m1-arctic-monitoring-satellite/</a>, <a href="https://www.rtl-sdr.com/a-comprehensive-beginners-guide-to-hrpt-weather-satellite-reception/" rel="nofollow">https://www.rtl-sdr.com/a-comprehensive-beginners-guide-to-hrpt-weather-satellite-reception/</a><br>(<a href="https://roland.iwasno.net/links/?uQyZ2w">Permalink</a>)IdealLoop H301 - VLF Loop Receiverhttps://roland.iwasno.net/links/?0M6ppQ2023-06-26T11:44:11+02:00The best compromise between sensitivity and portability<br />
by Luca Feletti and Renato Romero. PCB layout by Jochen Richert.<br />
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Detailed description of a shielded magnetic loop antenna for VLF signals<br>(<a href="https://roland.iwasno.net/links/?0M6ppQ">Permalink</a>)Reception techniques: An easy loophttps://roland.iwasno.net/links/?LAoB1Q2023-06-23T18:33:28+02:00Shielded loop antenna for VLF, found on <a href="http://www.n4iqt.com/easy_loop_antenna/Notes.txt" rel="nofollow">http://www.n4iqt.com/easy_loop_antenna/Notes.txt</a><br>(<a href="https://roland.iwasno.net/links/?LAoB1Q">Permalink</a>)Matt Roberts - KK5JY.Nethttps://roland.iwasno.net/links/?85kMng2022-01-20T16:39:44+01:00Found on <a href="https://www.rtl-sdr.com/frugal-radio-testing-a-loop-on-ground-antenna-with-an-airspy-hf-discovery/" rel="nofollow">https://www.rtl-sdr.com/frugal-radio-testing-a-loop-on-ground-antenna-with-an-airspy-hf-discovery/</a><br>(<a href="https://roland.iwasno.net/links/?85kMng">Permalink</a>)Ham Radio Station 5B4AZhttps://roland.iwasno.net/links/?axydLQ2017-01-19T17:37:07+01:00Antenna analysis software NEC2 in C with GUI.<br />
NORAD sdp4/sgp4 satellite orbit modelling software in C and Pascal.<br>(<a href="https://roland.iwasno.net/links/?axydLQ">Permalink</a>)Details • SatNOGS - Global Network of Ground Stations • Hackaday.iohttps://roland.iwasno.net/links/?iqSrAA2017-01-04T22:45:33+01:00Helical antenna for UHF (437 MHz).<br>(<a href="https://roland.iwasno.net/links/?iqSrAA">Permalink</a>)