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To: unclewest who wrote (8390)10/17/1999 1:53:00 PM
From: chaz  Respond to of 54805
 
Thanks for the answers unclewest. (Never mind explaining precisely what you were doing at a picnic bench during working hours...<gg>.)



To: unclewest who wrote (8390)10/17/1999 4:56:00 PM
From: John Walliker  Respond to of 54805
 
Mike,

i have made cell phone calls while in flight

The reason the aviation authorities don't like this is the remote possibility of interfering with avionics (especially navigation) equipment.

The reason the network operators don't like it is that at high altitude many base stations will see your signal. If many people do this then interference levels rise and network capacity is reduced. Of course this is likely to be less of a problem with CDMA than GSM, but even so they won't encourage it. They can't avoid people calling from high buildings and mountain tops, but such locations are predictable, whereas aircraft are not.

John