[time-nuts] GPS question

Joseph Gray jgray at zianet.com
Fri Apr 6 14:06:16 EDT 2007


I just found three programs that may be of interest to others.

One is GPS Babel.
http://www.gpsbabel.org/index.html

The second is a virtual serial port driver that converts Garmin data to 
NMEA. It is called Spanner and is from Garmin.
http://www.garmin.com/support/download_details.jsp?id=1627

The third is another virtual serial port driver that has additional 
functionallity. It is called GPS Gate. It is not free, but is inexpensive.
http://www.franson.com/

I haven't tried these programs yet, but later tonight will give GPS Babel 
and Spanner a try.

----- Original Message ----- 
From: "Joseph Gray" <jgray at zianet.com>
To: <bg at lysator.liu.se>; "Discussion of precise time and frequency 
measurement" <time-nuts at febo.com>
Sent: Friday, April 06, 2007 8:47 AM
Subject: Re: [time-nuts] GPS question


>> Try logging the positions to a PDA or normal computer. Look at the 
>> values.
>> How much do they wander? Compare with the positions from the Oncore in 
>> the
>> GPSDO. This will give you a much better understanding or "feeling" of the
>> quality of the solutions.
>
> The Garmin has a USB port, but no serial. I just got this thing, so I
> haven't yet figured out how to log the data to a PC. I'll have to do more
> research on this.
>
>
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