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Old 04-07-2005, 11:35 PM   #1
figadiablo
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Registered: Feb 2002
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Garmin GPS V and NTPD


Hi,

I want to set up my computer to be able to update its system clock to the Garmin GPS V vi ntp. This way I can also use this same computer as the ntp server for my lab LAN, which has no access to the outside world at all. I know that ntp makes references to clocks with something like this:
Code:
server 127.127.30.u
this is actually the reference driver for one of the Motorolla gps system.

The problem is that I can't find a way to reference my gps system which is the Garmin GPS V. Has anybody been able to do this. I know the is a PyGarmin thing out there, but that is not the solution that I am looking for.

Thanks
Figa
 
Old 04-08-2005, 04:58 PM   #2
michaelk
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What are you looking for? I haven't look at the manual yet but I expect the data output to be in the NMEA 0183 format.

You would need to write an application that strips out the time part of the RS-232 ACSII text message and then sets the PCs clock.

After a little web searching I found the following which might be helpfull.
http://gpsd.berlios.de/index.html#documentation
http://cng.ateneo.net/cng/wyu/software/

Other links:
http://tuxmobil.org/navigation_gps.html

Depending on your accuracy requirements there are GPS receivers designed just for being a time source.

Last edited by michaelk; 04-08-2005 at 07:47 PM.
 
  


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