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#31
October 13th 04, 05:00 AM
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Pooh Bear wrote: The origin of the ban was due to concerns about cellphone transmissions interfering with onboard avionics. The origin of the ban on cellphone usage at altitude was to prevent phones from hitting multiple receivers which were using the same frequency. The designers of the AMPS system counted on being able to have many "cells" use the same frequency set because they were far apart. Put the phone in the air, and several of these stations would receive the transmissions from the call. The origin of the FAA ban on electronic devices is as you say, but it is not unique to cell phones. George Patterson If a man gets into a fight 3,000 miles away from home, he *had* to have been looking for it. 
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