just because they use radio transmission doesn't mean they are transmitting all the time.
It's not real easy to find or triangulate the position of radio transmitters that only transmit for 2 seconds every day. ..also you could even break the two seconds into smaller 100 millisecond bursts over several hours.
Slashdot Mirror
just because they use radio transmission doesn't mean they are transmitting all the time. It's not real easy to find or triangulate the position of radio transmitters that only transmit for 2 seconds every day. . .also you could even break the two seconds into smaller 100 millisecond bursts over several hours.