On 03/18/2010 06:01 PM, Andreas wrote:
Hi Mike,
Just out of curiosity, what would you say is a common time to first
fix when your outside network coverage?
I'm not sure if I have a common time, but it can take minutes. I'm
not entirely sure how it works in the guts of the GPS, but I think
it remembers which satellites it had sync with before and tries
to go from there. If it's thoroughly confused (eg, the GPS has been
off for a long time, and transported somewhere else), it can take
quite a while. AGPS helps all of this out because it very quickly
talks to the cell towers to get a rough idea where it is so that
the GPS software can have a better idea of where the satellites
for that area ought to be.
At least that's my high level understanding, which isn't anything
approaching expert :)
Mike
Andreas
On Mar 19, 4:46 am, mike<enervat...@gmail.com> wrote:
On 03/18/2010 12:30 PM, Matias Alberto de la Vega wrote:
As Mike said, you will be able to use GPS even if you have no mobile
signal or wifi connectivity, since GPS has it's own satellites, you
can get coordenates as long as you have GPS friendly environment, some
tips: you MUST be able to see the sky, no tall buildings around is
better, and the bigger piece of sky you can see, the better GPS will
work, but I think you may not have problems with that if you are going
to be in the mountains. Take care.
My experience with my Phresheez app is that it works really
well up in the mountains. There are certainly GPS-unfriendly
parts I'm sure, but for the most part it's pretty flawless (well,
as flawless as GPS can be).
Mike
On 18 mar, 13:23, mike<enervat...@gmail.com> wrote:
On 03/18/2010 09:12 AM, David Toledo wrote:
I refered , is in the montains without signal telephony
Then yes, definitely, from much first hand experience :)
Mike
Thanks
2010/3/18 mike<enervat...@gmail.com<mailto:enervat...@gmail.com>>
On 03/18/2010 08:29 AM, David Toledo wrote:
Hi All
Is possible that can using the signal GPS without signal the
telephony active. I need save the gps location in the sqllite
when the telephony is disabled
GPS works fine without the cellular network. If there's no network
AGPS won't
be of any help, but that's just a optimization for finding where
you are quicker.
But I'm not sure what you mean by "telephony disabled" are you
talking about
Airplane mode? If so, Android still allows use of GPS in airplane
mode, unlike
iPhone.
Mike
Thanks
David
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