HackadayUsing a Scientific Satellite for Passive Radar
Using a Scientific Satellite for Passive Radar https://hackaday.com/2026/03/30/using-a-scientific-satellite-for-passive-radar/
#RadioHacks #Antenna #Gpsantenna #Lband #Passiveradar #Radar #Sdr
#RadioHacks #Antenna #Gpsantenna #Lband #Passiveradar #Radar #Sdr
Ansgar Schmidt 
DIY Passive Radar System Verifies ADS-B Transmissions https://hackaday.com/2024/04/29/diy-passive-radar-system-verifies-ads-b-transmissions/ #software-definedradio #passiveradar #radiohacks #reference #aircraft #antenna #ads-b #radar #radio #yagi #sdr
HB9KNS@w8emv This might trigger me to have a look into it, actually! Until now I always thought "interesting, but I won't invest time". Now there's additional incentive. #passiveradar #sdr #streisandeffect
Ed W8EMV 
as posted on the forum by krakenrf_carl, first noted to me by Mark #VK5QI .
https://forum.krakenrf.com/t/where-has-the-passive-radar-code-gone/98
"This really sucks to say after putting so much effort into it, but for regulatory reasons that have just come to light we’ve had to remove the open source passive radar code that we previously provided."
This IEEE Spectrum article described how the system worked:
