[ntp:questions] Sure GPS: Programming it now works

unruh unruh at wormhole.physics.ubc.ca
Thu Apr 7 17:49:54 UTC 2011


On 2011-04-07, Uwe Klein <uwe at klein-habertwedt.de> wrote:
> unruh wrote:
>> Somewhat more awkward than Terje's program, but it works.
>> 
> I've collected a bit of information
> 	http://wiederlinge.de/cgi-bin/lnwiki.cgi/147
> and wrote a basic parser script:
> 	http://wiederlinge.de/cgi-bin/lnwiki.cgi/150
>
> Terje added some info too.
>
> I will add the commands stuff to my script
> in ~10days. no time now.
>
> Feel free to add.

Actually a more complete set of instructions that can be sent under the
MTK protocol is in 
gpsd.googlecode.com/files/MTK_NMEA_Packet_0.71_Sanav.pdf

I of course have no idea which of these are actually valid for the
particular chipset that the Sure board uses. 
This list includes the command  251($PMTK251) --change serial bitrate command,
 missing from the ETEK list. It also includes a rich set of Datum for the models used.
I do not know if the Sure can be changed from the WGS1984 Datum, in case
anyone might want to use, for example, number 147 -- Old Egyptian(1907)
datum instead.

..

 




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