[App_rpt-users] Squelch Tail Elimination

[Bryan Fields]

I believe he's using the RTCM, so the usbradio commands will not work.

On March 29, 2015 12:33:30 PM EDT, Ken <ke2n at cs.com> wrote:
>There are two squelch tails.  One in the user’s receiver which  can be
>eliminated by using tone squelch and turning off the PL some time
>before dropping the carrier.  Some commercial rigs respond to the
>reverse phase tone burst. That is unusual in amateur rigs I think. And
>some amateur rigs require the tone to be turned off longer that the
>app_rpt default.  This all has to do with the squelch tail being
>generated in the user’s receiver. 
>
> 
>
>But if you want the *repeater* not to transmit a squelch tail - from
>its own receiver - then you need:
>
>  Rxsquelchdelay  in usbradio.con 
>
>as previously discussed in :
>
><http://ohnosec.org/pipermail/app_rpt-users/2014-April/009175.html>
>http://ohnosec.org/pipermail/app_rpt-users/2014-April/009175.html
>
> 
>
>for example
>
>rxsquelchdelay=50 ; delayline in ms, carrier squelch tail eliminator
>
> 
>
>this requires use of the usbradio channel driver.
>
> 
>
>73
>
>Ken
>
> 
>
> 
>
> 
>
>From: R. Wayne [mailto:allstar at controlservers.net] 
>Sent: Sunday, March 29, 2015 1:34 AM
>To: app_rpt-users at ohnosec.org
>Subject: [App_rpt-users] Squelch Tail Elimination
>
> 
>
>After relocating our MSF 5000 to a new location and adjusting the
>squelch as low as we could reliably go we noticed that we have a
>squelch tail. Our coordination requires that we don’t. It appears that
>the MSF has a fixed squelch tail elimination method an no control other
>than cranking up the squelch again. This is surprising since we use PL
>encode / decode. I would think that the PL would mute as soon as the
>user unkeys.
>
> 
>
>With this said is there anything in Allstar that would help with this
>situation?
>
> 
>
>Wayne
>
>
>
>------------------------------------------------------------------------
>
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--
Bryan Fields
727-409-1194
http://bryanfields.net
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