[aprssig] APRS Frequency QSY on DATA band

Bob Mueller bob at funautical.com
Thu Jan 26 12:24:00 CST 2017


Tom KD7LXL: generally you have the FM phone side of the radio selected with
the [Band Sel] button (a press of the volume knobs).  So when you push the
TUNE soft button, it tunes the FM phone side of the radio.  You simply need
to press the [BAND SEL] button (volume knob) to make the data side of the
radio the "active" side to QSY to a local digi working on another frequency.

The TM-D710G also has a menu item: <APRS LOCK>.  when configured to
[FREQUENCY], you can't change the frequency of the data band side of the
radio when the TNC is activated.  I presume you'll need to set this to
[OFF] for the QSY function to change the frequency on the data side.  I
leave mine in the [OFF] setting anyways, as I have three different channels
that I use for APRS, with three different tones for Voice Alert.  (CSQ,
100.0, and a local PL)



--... ...--
Bob Mueller
K8MD
bob at funautical.com

On Thu, Jan 26, 2017 at 11:30 AM, Robert Bruninga <bruninga at usna.edu> wrote:

> > How can the frequency objects be used for the data side of the radio...
> > Such as when the object announces a local UHF APRS channel?
>
> On the Kenwood while displaying the desired object:
>
> 1) Press band select button (volume control)
> 2) Press TUNE (assuming the data band is in VFO)
>
> Note, if the UHF APRS frequency object also is a shift to 9600 baud, then
> this will require an entirely new TNC setting and can only be done in  a
> PM....?
>
> But again, the possible factor of two improvement by doing APRS data at
> 9600
> baud is not worth this additional hassle maybe.
>
> Bob, WB4APR
>
> --
>
> > So put an local Object beacon on 144.39 DIRECT at the UHF sites
> > indicating the local UHF frequency using the "frequency format".  Then
> > ONE BUTTON on the Kenwoods and Yaesu's will instantly QSY for the local
> > UHF channel.
>
> Is there a way to get it to QSY on the "data" band (where the TNC is
> configured)? As far as I can tell, the QSY function always targets the
> non-data band, which is opposite of what you want to advertise an APRS
> channel like you describe.
>
> Tom KD7LXL
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