Dream PDA addendum

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Scott Ehrlich - 09 Apr 2005 13:40 GMT

For the GPS wish, it would need to be independent of tower communication,
so if I venture away from service, I still have full GPS capability.

For IP, GPRS or newer with the possible option of WiFi, so if I have
problems with tower access, I can try and use WiFi as my backup.

Thanks again.

Scott

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mark haynes - 13 Apr 2005 12:43 GMT

> For the GPS wish, it would need to be independent of tower communication,
> so if I venture away from service, I still have full GPS capability.

Well, that shouldn't be a problem, as the GPS signal comes from
satellites in orbit, not from any ground-based towers.

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John Richards - 13 Apr 2005 16:27 GMT

>> For the GPS wish, it would need to be independent of tower communication,
>> so if I venture away from service, I still have full GPS capability.
>
> Well, that shouldn't be a problem, as the GPS signal comes from
> satellites in orbit, not from any ground-based towers.

Which is fine when away from tall buildings.
Unfortunately, in cities where the buildings are mostly 10 stories
or taller, the GPS signals are blocked.

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John Richards

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johnbartley@email.com - 15 Apr 2005 16:41 GMT

>> For the GPS wish, it would need to be independent of tower communication,
>> so if I venture away from service, I still have full GPS capability.
>
>Well, that shouldn't be a problem, as the GPS signal comes from
>satellites in orbit, not from any ground-based towers.

Ah, but many phones with GPS receivers require a connection to the network to do
the processing of the signals and calculate the location.

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mark haynes - 15 Apr 2005 23:31 GMT

> >> For the GPS wish, it would need to be independent of tower communication,
> >> so if I venture away from service, I still have full GPS capability.
[quoted text clipped - 5 lines]
> do
> the processing of the signals and calculate the location.

Ah, that's interesting. And, dare I say it, a bit bloody useless if
you're out of range of the cellular signal.

Hmm. I'm going to look into this a bit more. Thanks for the information.

mark

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