Advance OpenStreetMap surveying with GTA04?
ed at kapitein.org
Sun Mar 18 17:57:13 CET 2012
On 03/18/2012 02:25 PM, Mayeul Kauffmann wrote:
> Le dimanche 18 mars 2012 à 14:34 +0200, Timo Juhani Lindfors a écrit :
>> I used another GTA02 to make audio notes and a cheap and small digital
>> camera to take photos. As long as all clocks are synchronized you can
>> combine all the data with your netbook later.
> Thanks a lot Timo! I already do this with my Garmin and gpscorrelate
> (GNU/GPL), but without HDOP nor heading.
> Can you save the HDOP  with the GTA02?
> Do you have access to heading in the command line (with possibility to
> pipe it)?
>  http://en.wikipedia.org/wiki/Dilution_of_precision_%28GPS%29
If, on a GTA02, you use a nmea log and gpsbabel to translate it to gpx
format, you get:
<trkpt lat="51.987431167" lon="4.337932667">
Would that give you all the info you need? HDOP and course are present.
( the above is just one sample of a track i walked yesterday, with a GTA02 )
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