[OSM-newbies] GPS inaccuracy
Arlindo Pereira
nighto at nighto.net
Tue Jun 9 17:51:32 BST 2009
Isn't the assisted technology just for the initial lock procedure?
AFAIK the A-GPS gets the GPS information from the cellphone towers
GPS's in order to find the satellites over my head faster.
I tried to use a bluetooth GPS receiver on my N800, but 10~20 minutes
to lock when I'm used to 30s are a great hands down.
[]
2009/6/9 magnus at sonic2000.org <magnus at sonic2000.org>:
>> Anyway, I did this with my Nokia 95 and WhereAmI+ software (will try Sports Tracker next too), but this wild > result doesn't seem good enough to do mapping with.
>
>> Is this because I have a rubbish GPS receiver or could it be that the buildings of Islington are causing
>> sufficient reflection/disturbance to the signal?
>
> That is exactly why you will never get a great accuracy with just the N95. It has a A-GPS system built in, which most phones with internal GPS has. I recommend spending a little money on a external Bluetooth GPS receiver.
>
>
>
>
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--
Arlindo Saraiva Pereira Jr.
Bacharelando em Sistemas de Informação - UNIRIO - uniriotec.br
Consultor de Software Livre da UNIRIOTEC Consultoria - uniriotec.com
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