[arm-allstar] CTCSS during tail messages?

Doug Crompton wa3dsp at gmail.com
Fri Apr 27 20:07:17 EST 2018


Jeff,

I use Kicad which is free and available for both Windows and Linux.

Doug


On Fri, Apr 27, 2018 at 7:04 PM, "Jeff Carlyle KD0QCN via arm-allstar" <
arm-allstar at hamvoip.org> wrote:

> Doug,
> I would be happy to share it with you, do you have any suggestions on
> software to do the wiring diagram?
>
> Jeff Carlyle KD0QCN
>
> Sent from my iPhone
>
> > On Apr 27, 2018, at 1:34 PM, Tom Whiteside via arm-allstar <
> arm-allstar at hamvoip.org> wrote:
> >
> > Thanks Mike.   They are coming in on the repeater input and we do use
> tone
> > decoding .  The repeater is a Yaesu DR1-X and we are using the internal
> tone
> > decoding and using a URIx interface to a RP running allstar.
> >
> > I have just completed some experiments that better characterize the
> > situation and I believe Doug's suggestion to use a TS-64 should fix
> things.
> > I used my service monitor to create a 2KHz tone on the repeater input and
> > you can clearly hear that 2 KHz tone for at least a full second after
> > un-keying the repeater.    I varied the hang time from 100ms to 2 seconds
> > and that doesn't affect things at all.
> >
> > I then repeated the experiment here using our backup repeater which is a
> > Kenwood TKR-750 and uses the same interface and software.  You can just
> hear
> > a short chirp at the end so not objectionable at all - I'm sure they
> have a
> > deliberate short lag to prevent picket fencing dropouts...
> >
> > So as Doug suggested, I think the Yaesu is taking its time dropping the
> tone
> > valid signal...
> >
> > The next step is to swap these repeaters out this weekend and route the
> > audio using a TS-64 when I get it in.
> >
> > I hope that is more clear than my first post...
> >
> > Tom N5TW
> >
> > -----Original Message-----
> > From: arm-allstar [mailto:arm-allstar-bounces at hamvoip.org] On Behalf Of
> "M M
> > via arm-allstar"
> > Sent: Friday, April 27, 2018 12:34 PM
> > To: Tom Whiteside via arm-allstar <arm-allstar at hamvoip.org>
> > Cc: M M <wa6ilq at outlook.com>
> > Subject: Re: [arm-allstar] CTCSS during tail messages?
> >
> > I'm may not fully understanding the situation....  this is what I've
> decoded
> > from the description ...
> >
> > From your I'm understanding that your repeater is hearing the distant
> users
> > on your repeater's input frequency...  correct?
> >
> > And your repeater receiver is running in tone decode mode?
> >
> > And you are hearing the user's transmission feeding through your repeater
> > during the carrier delay time period?  (some people call this the hang-in
> > timer)
> >
> > If so, it sounds like to me that the tone decoder is not muting the
> receiver
> > audio path - that the audio path is in carrier squelch mode and the COR
> to
> > PTT switching path is in tone mode.
> >
> > This may be fixable in the repeater programming or the repeater
> controller
> > programming (if it is a external decoder). You didn't post the repeater
> or
> > controller information, so I can't suggest anything further.
> >
> > Mike WA6ILQ
> >
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> >
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> >
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>
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