D DemoCoder Veteran Jul 14, 2006 #21 before GPS was unfuzzed, high accuracy was provided with differential GPS, where receivers used ground signals with known locations to improve accuracy. Theoretically, you can even use your local AM radio towers or local TV station transmitters.
before GPS was unfuzzed, high accuracy was provided with differential GPS, where receivers used ground signals with known locations to improve accuracy. Theoretically, you can even use your local AM radio towers or local TV station transmitters.
M Moffell Newcomer Jul 14, 2006 #22 Lighthouses. Yeah I remember them from my time in the military, we attacked one and destroyed it in an excercise.
Lighthouses. Yeah I remember them from my time in the military, we attacked one and destroyed it in an excercise.
