[aprssig] D700/D710 data port

Scott Miller scott at opentrac.org
Mon Mar 31 15:36:18 EDT 2008

I was afraid of that.  Guess maybe I'll just stick to GPS data only for 
now.  I know there's some interest in the marine world as well.

I'd considered a D700 control head hack, but I don't like the idea of 
people having to pay a premium for a radio with a bunch of fancy 
features that I then have to kludge around.  That's why I went with the 
DR-135... it's not fancy, but it's affordable and the integration is 

I'm still looking for a source of 5-pin mini-B USB cables.  The extra 
conductor normally isn't used and it's hard to find anything appropriate.


Jason KG4WSV wrote:
> I can't speak for the 710, but the D700's TNC data in standard format
> is unavailable when in APRS mode.  You can put it in verbose mode and
> get some data; I suspect what you see is some form of the data going
> to the control head, and sufficient work may allow you to extract APRS
> data from it.  I was too lazy/insufficiently interested to go farther.
> What I plan to do (once I unbrick my T2 proto) is to use the audio
> output from the D700 and feed it to the T2, and let the T2 plot on my
> Garmin MAP60.  T2 can't transmit, but there ya go.
> With the D700, sufficient hacking to decode the protocol between the
> radio and the control head may allow something clever like inserting
> the T2 between the control head and mike and the radio, and do
> something clever there to allow using the D700 APRS app and the T2 at
> the same time.
> If you keep on with that FMI interface, I'll take the D700 in the
> house and put an Alinco with a T2-135 and a nuvi in the truck. (:
> -Jason
> kg4wsv
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