It has more to do with simple easy and accurate location. After 9/11 people
became worried that airliners would be used again and that simple GPS would
make it easy for terrorists to locate and attack particular buildings.
Aircraft navigation being a bit trickier, not a lot but a bit.
Matt "Ducky" Howe
matthowe@comcast.net
http://mywebpages.comcast.net/mhowe41/
PaulMmn answered:
<snip>
>On Jan 6, 2007, at 8:41 AM, Alan wrote:
><snip>
>> (and assuming GPS devices are allowed to be used
>> in flight - of course I would have asked first)
><snip>
>
>Sorry, not allowed!
>
>Marty
But why? Becaue 'the airline says so?' As I understand it, a GPS
device is a =receiver=, not a =transmitter=. Unless the computers in
the units put out enough noise to affect the avionics... Of course,
a normal laptop computer would be as noisy.
<snip>
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