[time-nuts] 10811 crystal orientation
Mark Sims
holrum at hotmail.com
Sat Jul 11 15:25:31 UTC 2009
A lot of the ballistic GPS systems are actually GPS transponders attached to the back of the shell. They just retransmit the received GPS signal spectrum to a remote receiver. Much cheaper and more robust than slinging a full GPS receiver. Google TIDGET for more info...
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At the high-end of the spectrum of the technology is the gun-barrel
launched artillery shell with crystal oscillator built-in, that has to withstand
and operate with 10,000 to 20,000 g acceleration!
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