GPS <--> AGPS
bmidgley at gmail.com
Sun Jun 8 10:41:37 CEST 2008
>> gpsd has a mode where it listens to both the gps and an online dgps
>> source and produces corrected output. See the manpage for gpsd. I
>> think you have to have the unit online continuously.
> Does gpsd have control over the various satelite signals? I thought
> D-GPS only works before position calculation. If gpsd only gets the
> composed position, then it's not possible to do D-GPS.
I'm not an expert here, but maybe correction does require more raw
data. It might depend on what the protocol is between gpsd and the
gps. The gpsd docs don't shed any more light on it. It would be a good
question for the gpsd mailing lists.
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