On Wed, 2011-08-24 at 21:45 +0930, Reginald Moore wrote: > As I stated privately to David it may not be a CASA thing but more a > telecommunications problem which contravenes the telecommunications act. Any > lawyers out there that can make head way reading these things. I seem to > remember it had something to do with the increased range of the signal at > height being received by too many towers. > In the UK, anyway, there simply isn't a worthwhile signal at any appreciable altitude: I've been at 3000 ft over Huntingdon and had no GSM signal at all, probably because the telcos use a pancake type radiation pattern because they see no need to waste power by covering the hemisphere above a cell mast. Since most phones crank their transmission power right up, if they can't get a response, in an effort to contact a cell's base station, I wonder what effect this has on the phone's battery life and if its possible to turn the phone's transmitter off while leaving the rest of it running.
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