Re:Satellite warfare: An arms race is brewing in orbit
by mhh__ on Thursday August 20, 2020 @04:27PM
(#24228488)
If the receiver uses mixing (like a superhet) it is trivial to detect radiation from the receiver. This was widespread 70 years ago (https://en.wikipedia.org/wiki/Operation_RAFTER) and has almost definitely been expanded to modern radio by today's spy agencies.
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Re:Satellite warfare: An arms race is brewing in orbit
by tonyarkles on Thursday August 20, 2020 @11:45PM
(#24231757)
There are commercial receivers that can be placed near the side of the road to measure the popularity of broadcast FM stations by measuring LO leakage. Definitely not limited to TLAs.