[aprssig] TM-V7A on APRS Was: I give up

david vanhorn kc6ete at gmail.com
Sat Dec 21 15:54:16 CST 2013

I used the V7A for APRS for a while, but got tired of fighting the issues.
My main trouble came from the fact that the radio gets its commands from
the mic as dtmf, and that the mic element is hot all the time.  If you
press a button on the mic, it puts DTMF on the mic line, and since you
aren't pressing transmit, those are interpreted as commands.

This is all fine, but if you have the broadcast radio on in the car, or
sometimes people's voices can work, it hears that as a command.  This means
that the radio swaps sides, putting your APRS on the voice repeater and
vice versa, or it changes memory channels.. It does these things silently,
so you sit there blasting the repeater with APRS and you have no idea till
you look at the radio.

Other than that and the stealth display,  it's a great rig.  I still have

On Sat, Dec 21, 2013 at 1:21 PM, qrv at kd4e.com <qrv at kd4e.com> wrote:

> I'm usually the one fixing subjects for other hijacked threads -
> sorry I didn't here - I'll blame the flu!  ;-(
> I've had my DR-135 sitting here as a digipeater with a rarely
> used 2/440 rig next to it. I decided that the 2/440 can handle
> dual-duty and the DR-135 can be sold.
> I'd like to also be able to experiment with text messages via
> APRS, the V7A can do 9600 on 440, and I'm testing mobilinkd.com
> with my Android phone & handheld 2/440 - so a working base APRS
> rig is handy for that as well.
> I'm told that others use a V7A for APRS without trouble.
> BTW: Curiously, the V7A display shows APRS when connected to
> the Tracker 3/OT3m.
>  If you are going to hijack the thread, please change the subject.
>> The Kenwood TM-V7A is not an APRS radio, so it has no APRS settings.
>> If you truly have an ARPS radio, such as the Kenwood TH-D7, TH-D72,
>> TM-D700, or TM-D710, all of which have an internal TNC and APRS
>> firmware, what is your purpose for connecting it to an Argent Data
>> OT3m?
>> Bob...
> --
> Thanks! & 73, KD4E.com
> David (never Dave) Colburn - Nevils, Georgia USA
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