[aprssig] Nuvi 350 - D710 error message

Tom Russo russo at bogodyn.org
Thu Jun 2 15:42:05 EDT 2011

On Wed, Jun 01, 2011 at 03:36:11PM +0000, we recorded a bogon-computron collision of the <earl.kd5xb at gmail.com> flavor, containing:
> Is this cable strictly for the 350, or might it work with other Nuvi models?

It "might" work with other Nuvi models, depending on your definition of
"work."  It will allow use of most Nuvi models to feed NMEA data from the GPS 
to an APRS device, but Nuvi models other than the 350 tend to have issues that 
make them less suitable for APRS --- notably only the Nuvi 350
properly moves a waypoint produced by $GPWPL sentences sent from the APRS 
device back to the GPS.  Other models make duplicate waypoints as a station 
moves, and fill up the waypoint list.

See http://wiki.argentdata.com/index.php/Garmin_FMI for more details.

But the long-and-short of it is that the Nuvi 350 is pretty much the ideal
one to use with the GTRANS cable, and all others have undesirable misfeatures.

The Nuvi series is also usable with a different cable and an Argent Data 
Systems Tracker 2 to access more of the hidden "Fleet Management Interface," 
but the broken handling of waypoints in models other than the 350 is still 

> ------Original Message------
> From: Keith VE7GDH
> Sender: aprssig-bounces at tapr.org
> To: TAPR APRS Mailing List
> ReplyTo: TAPR APRS Mailing List
> Subject: Re: [aprssig] Nuvi 350 - D710 error message
> Sent: Jun 1, 2011 09:23
> Mike WM4B wrote...
> > I think someone has already mentioned a possible problem with the USB 
> > connector on the GTRANS cable - check with Byonics - I think they can 
> > hook you up.
> The GTRANS cable is actually from Argent Data , not from Byonics.
> Argent Data is designer of the OpenTracker series (OT1+, OT2m etc.) run
> by Scott N1VG. The GTRANS cable translates Garmin format to NMEA
> format. Byon N6BG at Byonics is designer of the TinyTrak (TT3, TT4) series.

Tom Russo    KM5VY   SAR502   DM64ux          http://www.swcp.com/~russo/
Tijeras, NM  QRPL#1592 K2#398  SOC#236        http://kevan.org/brain.cgi?DDTNM
 "The truth will set you free, but first it will piss you off."

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