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Theory about why GPS performs poorly
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ag2
2008-02-02 , 09:00
Posts: 164 | Thanked: 132 times | Joined on Dec 2007
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Something I discovered today -- if you turn on the internal GPS on N810, and watch D-BUS messages, you see GPS timestamps for each fix. The time in these fixes is very accurate, but the date is always ONE DAY OFF.
Right now it is 1 am on February 2nd. The timestamps coming from GPS are around 1202027650, which ctime tells me is
Sun Feb 3 00:39:11 2008
If there is indeed an off-by-one error, this could explain the poor GPS performance in acquiring satellites (since the almanac data would be invalid). Perhaps there is a simple fix that could make the GPS in our tablets significantly better.
I hope I am onto something. Anyone know of a legitimate reason for the time difference?
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