[Openstreetmap] Bad GPS day?

Schuyler Erle schuyler at nocat.net
Mon Jan 16 04:11:21 GMT 2006


* On 15-Jan-2006 at  4:10PM PST, nick at hogweed.org said:
> Noticed that in the absence of any other variables, today seemed to give a 
> poor signal and poor accuracy compared to other recent occasions 
> (Southampton, UK). Anyone else notice this - satellites in an unfavourable 
> position?

The GPS visibility calendar I put together some months ago suggests
that certain times of day might have been problematic:

    http://mappinghacks.com/projects/gpscal/query.shtml

There doesn't seem to be anything obvious in the latest GPS status
messages from the USAF, e.g.:

    http://www.navcen.uscg.gov/Ftp/gps/status.txt

SDE






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