[arm-allstar] TX loop

Sun Apr 30 20:56:48 EST 2017

It sounds like rf is getting back into the COS circuit. I would guess if
you connected an external antenna to the 888 and got it away from the radio
it would not do that.

*73 Doug*

*WA3DSP*

*http://www.crompton.com/hamradio <http://www.crompton.com/hamradio>*

On Sun, Apr 30, 2017 at 9:51 PM, "Bryan St Clair via arm-allstar" <
arm-allstar at hamvoip.org> wrote:

> I have tried 2 frequencies and both with different PL and no PL.
>
> I just increased the rxondelay to 8 and no loop as of yet.  Still testing
> to confirm.
>
> On Sun, Apr 30, 2017 at 6:48 PM, "Doug Crompton via arm-allstar" <
> arm-allstar at hamvoip.org> wrote:
>
> > Bryan,
> >
> >  Have you tired other frequencies? Does it do it when you manually key
> the
> > node 888? Push it manual PTT.
> >
> >
> > *73 Doug*
> >
> > *WA3DSP*
> >
> > *http://www.crompton.com/hamradio <http://www.crompton.com/hamradio>*
> >
> > On Sun, Apr 30, 2017 at 9:06 PM, "Bryan St Clair via arm-allstar" <
> > arm-allstar at hamvoip.org> wrote:
> >
> > > Yes, in usb (not inverted) and COS shows clear and Keyed when I use an
> > > outside HT to the node.
> > >
> > > When the loop happens, I see a fast toggle of COS comp, COS input and
> > PTT.
> > >  (Radio I am using right now is one from George.)
> > >
> > > It doesn't always loop, it can be keyed up 10 times and act normally.
> > Then
> > > a loop on next keyup.
> > >
> > > On Sun, Apr 30, 2017 at 6:01 PM, "Doug Crompton via arm-allstar" <
> > > arm-allstar at hamvoip.org> wrote:
> > >
> > > > Bryan,
> > > >
> > > >   Are you sure you have the simppleusb-tune-menu setup correctly?
> > cosfrom
> > > > should be usb. When you talk to the node RF from another radio the
> cos
> > > > input should show keyed. In quiescent state it should show clear.
> > > >
> > > >
> > > >
> > > >
> > > > *73 Doug*
> > > >
> > > > *WA3DSP*
> > > >
> > > > *http://www.crompton.com/hamradio <http://www.crompton.com/hamradio
> >*
> > > >
> > > > On Sun, Apr 30, 2017 at 8:51 PM, "Bryan St Clair via arm-allstar" <
> > > > arm-allstar at hamvoip.org> wrote:
> > > >
> > > > > Doug,
> > > > >
> > > > > Yes, I have duplicated it on 2 radios, 2 different locations when
> > > > testing.
> > > > >
> > > > > The loop is often 2-3 key ups, but in testing now, I was able to
> get
> > 21
> > > > key
> > > > > ups.
> > > > >
> > > > > The 888 is as far away as the cables allow.
> > > > >
> > > > > I updated the rxondelay to 5 and I still get the loop.
> > > > >
> > > > > I don't think its related, but this node has lost its callsign in
> the
> > > > voice
> > > > > ID.  Spells out Unknown option now.
> > > > >
> > > > > On Sun, Apr 30, 2017 at 5:39 PM, "Doug Crompton via arm-allstar" <
> > > > > arm-allstar at hamvoip.org> wrote:
> > > > >
> > > > > > Bryan,
> > > > > >
> > > > > >  You did not mention, do you have more than one 88? If so does
> > > another
> > > > > one
> > > > > > do the same thing? I doubt very much it is the SW. It should not
> be
> > > > doing
> > > > > > that but there is a setting in the simpleusb-tune-menu called
> > > > rxondelay.
> > > > > > This delay s COS by 20ms  per step. Setting it to 5 would be
> 100ms.
> > > You
> > > > > can
> > > > > > see if that solves the problem but usually you will find it is an
> > RF
> > > > > issue
> > > > > > and if you get the 888 antenna away from the rest of the system
> it
> > > > might
> > > > > > clear up.
> > > > > >
> > > > > >
> > > > > > *73 Doug*
> > > > > >
> > > > > > *WA3DSP*
> > > > > >
> > > > > > *http://www.crompton.com/hamradio <http://www.crompton.com/
> > hamradio
> > > >*
> > > > > >
> > > > > > On Sun, Apr 30, 2017 at 7:39 PM, "Bryan St Clair via
> arm-allstar" <
> > > > > > arm-allstar at hamvoip.org> wrote:
> > > > > >
> > > > > > > Hello all,
> > > > > > >
> > > > > > > I have a node on an HT that is getting a loop.
> > > > > > >
> > > > > > > v1.5 full updates.
> > > > > > > Pi3
> > > > > > > 888 HT
> > > > > > > TSQL 107.2 on node HT
> > > > > > > Verizon MiFi connection.
> > > > > > > USB fob
> > > > > > > Battery pack or with battery eliminator
> > > > > > >
> > > > > > > The sequence of events:
> > > > > > >
> > > > > > > Take outside HT and simply key up the node with a *70.  Node is
> > not
> > > > > > > connected to another node, local repeat only.
> > > > > > >
> > > > > > > Node responds with repeat only message.  Tx drops.  The node
> will
> > > > then
> > > > > TX
> > > > > > > again, for .5 second, no sounds drops and repeats this TX loop
> > 2-5
> > > > > times.
> > > > > > > When I am connected to a network, it can repeat as many as 15
> > > times.
> > > > > > > (observed)
> > > > > > >
> > > > > > > I have removed PL as a test, no change.
> > > > > > >
> > > > > > > Before I wipe the SD to be sure I don't have a config issue I
> am
> > > not
> > > > > able
> > > > > > > to find, I wanted to ask here for ideas.
> > > > > > >
> > > > > > > Thanks
> > > > > > >
> > > > > > > --
> > > > > > > Bryan
> > > > > > > K6CBR
> > > > > > > Allstar Base: 43918
> > > > > > > Allstar Mobile: 43913
> > > > > > > www.k6cbr.us
> > > > > > > QRZ <http://www.qrz.com/db/K6CBR>
> > > > > > > _______________________________________________
> > > > > > >
> > > > > > > arm-allstar mailing list
> > > > > > > arm-allstar at hamvoip.org
> > > > > > > http://lists.hamvoip.org/cgi-bin/mailman/listinfo/arm-allstar
> > > > > > >
> > > > > > > Visit the BBB and RPi2/3 web page - http://hamvoip.org
> > > > > > >
> > > > > > >
> > > > > > _______________________________________________
> > > > > >
> > > > > > arm-allstar mailing list
> > > > > > arm-allstar at hamvoip.org
> > > > > > http://lists.hamvoip.org/cgi-bin/mailman/listinfo/arm-allstar
> > > > > >
> > > > > > Visit the BBB and RPi2/3 web page - http://hamvoip.org
> > > > > >
> > > > >
> > > > >
> > > > >
> > > > > --
> > > > > Bryan
> > > > > K6CBR
> > > > > Allstar Base: 43918
> > > > > Allstar Mobile: 43913
> > > > > www.k6cbr.us
> > > > > QRZ <http://www.qrz.com/db/K6CBR>
> > > > > _______________________________________________
> > > > >
> > > > > arm-allstar mailing list
> > > > > arm-allstar at hamvoip.org
> > > > > http://lists.hamvoip.org/cgi-bin/mailman/listinfo/arm-allstar
> > > > >
> > > > > Visit the BBB and RPi2/3 web page - http://hamvoip.org
> > > > >
> > > > >
> > > > _______________________________________________
> > > >
> > > > arm-allstar mailing list
> > > > arm-allstar at hamvoip.org
> > > > http://lists.hamvoip.org/cgi-bin/mailman/listinfo/arm-allstar
> > > >
> > > > Visit the BBB and RPi2/3 web page - http://hamvoip.org
> > > >
> > >
> > >
> > >
> > > --
> > > Bryan
> > > K6CBR
> > > Allstar Base: 43918
> > > Allstar Mobile: 43913
> > > www.k6cbr.us
> > > QRZ <http://www.qrz.com/db/K6CBR>
> > > _______________________________________________
> > >
> > > arm-allstar mailing list
> > > arm-allstar at hamvoip.org
> > > http://lists.hamvoip.org/cgi-bin/mailman/listinfo/arm-allstar
> > >
> > > Visit the BBB and RPi2/3 web page - http://hamvoip.org
> > >
> > >
> > _______________________________________________
> >
> > arm-allstar mailing list
> > arm-allstar at hamvoip.org
> > http://lists.hamvoip.org/cgi-bin/mailman/listinfo/arm-allstar
> >
> > Visit the BBB and RPi2/3 web page - http://hamvoip.org
> >
>
>
>
> --
> Bryan
> K6CBR
> Allstar Base: 43918
> Allstar Mobile: 43913
> www.k6cbr.us
> QRZ <http://www.qrz.com/db/K6CBR>
> _______________________________________________
>
> arm-allstar mailing list
> arm-allstar at hamvoip.org
> http://lists.hamvoip.org/cgi-bin/mailman/listinfo/arm-allstar
>
> Visit the BBB and RPi2/3 web page - http://hamvoip.org
>
>