[ntp:questions] TrueTime XL-AK GPS lock satellite take too much time.....
Victor
fanchao.lyu at gmail.com
Fri Apr 25 17:37:23 UTC 2014
On Friday, April 25, 2014 1:00:00 PM UTC-4, Jochen Bern wrote:
> [First reply to a MIME digest, hope the In-Reply-To doesn't end up as
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> broken as the timestamp in the following line :-C ]
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>
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> On -10.01.-28163 20:59, Victor wrote:
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> > when I first start the system, it only take about 10 minutes to lock
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> > satellites. [...] But the second time I move to another place (about
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> > 40 miles away from the first place), it never lock any satellites again..
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> 40 miles PARALLEL TO PLANET SURFACE :-} shouldn't make much of a
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> difference in general sat signal irradiation. You might want to
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> doublecheck, though:
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> http://satpredictor.navcomtech.com/
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>
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> Do you have any information whether the signals that the device receives
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> (post building-induced interference, nearby machinery, coax cable kinked
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> while moving, ...) have actually gotten *weaker*, rather than "same, but
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> just won't lock"?
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> Regards,
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> J. Bern
>
> --
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> Jochen Bern, Systemingenieur --- LINworks GmbH <http://www.LINworks.de/>
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Hi J,
Thank you for your reply.
Definitely, I do not think 40 miles would be a big problem.
I turn on the GPS receiver at the first place, and it worked well. Then I turned it off, and move to the new place next day, it never locked any satellites again. Big problem...
Best,
Victor
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