Trailrunner
I can confirm that you CAN triangulate on signals 10 db below what you can copy voice from. Whether you can triangulate on a signal is merely a matter of whom is looking for you. A complete message to a cell tower is gonna include a gps byte, but any signal strong enough can be detected and therefore DF'd (radio direction finding found)
Jim crazy
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These are my own opinions based on wisdom earned through many wrong decisions. Your mileage may vary.