Comment Re:timeline (Score 3, Informative) 236
During the gulf war public use was actually turned off so the military could have better access.
Huh? GPS satellites are not wireless access points with a limited number of users supported -- they broadcast a signal that anyone can receive (the number of users has zero impact on other users).
I assume GP has confused, and was referring to, the turning off of SA (selective availability), that when on deteriorates the precision of civilian receivers - thus improving the precision availble to the military units that couldn't get proper military grade receivers but instead had civilian receivers. As you say, number of users/receivers has no effect on the system, as they're just listening - just like FM radio sets...