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#10
May 19th 05, 05:35 AM
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Then you chirp a digital code. A simple 16 bit code gives you 64K discrete
addresses. Ain't that many airplanes on the field at Oshkosh at one time. Jim "George Patterson" wrote in message news:EPTie.9665$E05.6247@trndny09... RST Engineering wrote: The easy way to do that is with a positive signal system. That is, the little transmitter chirps once every couple of seconds when things are "good". When it stops chirping (batteries low, shot, crunched, or alarm triggered) you light the alarm fuse. That's not very expandable. If the system gets popular, you'd need lots of frequencies; otherwise your alarm might fail to sound when your item is stolen because someone else close by is on the same frequency. George Patterson "Naked" means you ain't got no clothes on; "nekkid" means you ain't got no clothes on - and are up to somethin'. 
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