GPS wrong longitude

Helge Hafting helge.hafting at
Fri Jan 9 10:58:40 CET 2009

Robin Paulson wrote:
> 2009/1/9 Nicolas Laurance <nlaurance at>:
>> screenshot2
> you're not locked on to any satellites
> the numbers at the bottom-left of the screen, (12/0) say the gps can
> see 12, and is locked on to 0 - it needs to lock on to 4 or 5 minimum
> to get a fix
Actually, you get a fix even with 3 satellites - using the
approximate assumption that your elevation is zero or "same as last 
time". Accuracy is not good, unless the assumption holds.

Helge Hafting

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