Comments by "Echo Sierra" (@SignalCorps1) on "Edward Snowden: How Your Cell Phone Spies on You" video.

  1. As a cellular network engineer I can confirm everything thing he says is correct. It’s drastically simplified, but accurate in general terms. He’s kind of off on the location technique used, as each site uses RTD (round trip delay) to find the distance from each site which allows for location triangulation.
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