2 ms·I thought GPS signal is scrambled (artificial noise added) for national security purposes.by andi999 6y agoI thought GPS signal is scrambled (artificial noise added) for national security purposes.fanf2 6y agoYou are thinking of “selective availability” which was turned off over 20 years ago https://www.gps.gov/systems/gps/modernization/sa/ https://www.gps.gov/systems/gps/modernization/sa/andi999 6y agoThanks, yes. Although my gps receiver acts like it didnt get the memo.