FeedHorn par RA3wdk : http://ra3wdk.qrz.ru/horn.htm
Spectrum Analyser par SDRplay : https://www.sdrplay.com/spectrum-analyser/
MoRFeus configurable Fractional-N wideband frequency converter & signal generator : https://www.crowdsupply.com/...
Octagon SAT PLL LNB with 10 MHz ref input : https://loetlabor-jena.de/doku.php?id=en:projekte:3cmplllnb:start
WSPiR A 50$ Raspberry Pi Radio Beacon : https://www.arvos.org/wspir/
Enhanced panadapter program for the Raspberrypi based on the original FreqShow : https://github.com/...WQ7Tpanadapter
Cloned SDRplay and AIRspy : https://www.rtl-sdr.com/cloned-sdrplay-and-airspy-units-now-appearing-on-aliexpress-ebay/
piHPSDR : http://s3com.net/pihpsdr-v2/pisdr-v2.html
Uncollected Cards : https://youtu.be/B09B0kdj_j8
Pagoda Antenna : http://www.maartenbaert.be/quadcopters/antennas/pagoda-antenna/
Live VLF Natural Radio : http://abelian.org/vlf/
RX-6 VLF E-Fild Receiver : http://www.unixnut.net/efield-nj.html
PA3GZK Wide Bande Active Loop Receiving Antenna : https://pa0fri.home.xs4all.nl/... Active%20antenna/...
Receiver HF/SSB XHDATA D-808 : https://swling.com/blog/ ... / xhdata-d-808-shortwave-portable-a-variation-of-the-digitech-ar-1780/
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