Thread: Is GPS radio-silent (not in A-GPS mode)?
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j.s is offline j.s
2010-09-12 , 00:03
Posts: 486 | Thanked: 251 times | Joined on Oct 2009
#12
Originally Posted by int_ua View Post
It might seem very weird, but I'm mapping out my actions in case of military operations at my location.
Not that I think it is so possible, but it never hurts to be prepared.
Radio transmitters are, of course, the least "radio silent". And, as you mentioned, computer clock signals also cause radio signals.

GPS recievers and other (most) receivers have what are known as "local oscillators" that are used in demodulating received radio signals. These local oscillators act as weak radio transmitters. So, a GPS receiver is not radio silent.

This radiation has been used to detect radio receivers for many decades.
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