<p dir="ltr">You will need an audio delay board. I've got the same issue at an analog voted system. I used this....<br>
<a href="http://arsrepeaters.com/site/mobile?url=http%3A%2F%2Farsrepeaters.com%2FAudio_Delay_W462.php#2834">http://arsrepeaters.com/site/mobile?url=http%3A%2F%2Farsrepeaters.com%2FAudio_Delay_W462.php#2834</a></p>
<p dir="ltr">However, I have had great success with the built in squelch in the RTCM.. As good as Motorola. <br><br><br></p>
<p dir="ltr"> </p>
<div class="gmail_quote">On Mar 29, 2015 10:10 AM, "R. Wayne" <<a href="mailto:allstar@controlservers.net">allstar@controlservers.net</a>> wrote:<br type="attribution"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir="ltr" bgcolor="#ffffff" text="#000000">
<div dir="ltr">
<div style="FONT-SIZE:12pt;FONT-FAMILY:'Calibri';COLOR:#000000">
<div>But as we said we are using a RTCM.</div>
<div style="FONT-SIZE:small;TEXT-DECORATION:none;FONT-FAMILY:"Calibri";FONT-WEIGHT:normal;COLOR:#000000;FONT-STYLE:normal;DISPLAY:inline">
<div style="FONT:10pt tahoma">
<div> </div>
<div style="BACKGROUND:#f5f5f5">
<div><b>From:</b> <a title="jrorke@cogeco.ca" href="mailto:jrorke@cogeco.ca" target="_blank">REDBUTTON_CTRL</a> </div>
<div><b>Sent:</b> Sunday, March 29, 2015 5:09 AM</div>
<div><b>To:</b> <a title="app_rpt-users@ohnosec.org" href="mailto:app_rpt-users@ohnosec.org" target="_blank">app_rpt-users@ohnosec.org</a> </div>
<div><b>Subject:</b> Re: [App_rpt-users] Squelch Tail
Elimination</div></div></div>
<div> </div></div>
<div style="FONT-SIZE:small;TEXT-DECORATION:none;FONT-FAMILY:"Calibri";FONT-WEIGHT:normal;COLOR:#000000;FONT-STYLE:normal;DISPLAY:inline">The
short answer is yes.<br><br>What you need to do is bring out raw discriminator
to the URI or USB fob. Then configure youfr node for USB radio to have
<br><br>Carrierfrom = dsp and ctcss from = dsp.<br>you also need to set the rx
demod to flat.<br><br><br>[usbnode_num]<br><br>hdwtype=0
<br>rxboost=1<br>txboost=1<br>rxctcssrelax=1<br>txctcssdefault=131.8
; default pl tone<br>rxctcssfreqs=131.8 ;rx pl
tone<br>txctcssfreqs=131.8 ;tx pl tone if
used<br>;rxctcssoverride=0<br>carrierfrom=dsp ;carrier squelch
detection<br>ctcssfrom=dsp ; pl tone
detection<br>rxdemod=flat<br>txprelim=yes<br>txlimonly=no<br>txtoctype=phase<br>txmixa=voice<br>txmixb=no<br>invertptt=0<br>duplex=0<br>rxondelay=0<br>rxnoisefiltype=0<br>eeprom=0<br><br><br>Save
your settings and restart your Allstar node so the changes take affect.<br>Do
your audio calibrations.<br><br>Then you will need to set the carrier squelch.
Typically the default squelch setting in Allstar is below the threshold. So you
will get squelch crashes.<br><br>Do a "radio tune rxsquelch" at the cli with no
signal at the receiver. It will return the current squelch setting and the
current squelch level.<br><br>*CLI> radio tune rxsquelch<br>Current Signal
Strength is 788<br>Current Squelch setting is 500<br><br>If the squelch level is
below the signal strength then the carrier squelch is open.<br>Set the squelch
higher than the signal strength by about 80-100 points.<br><br>*CLI> radio
tune rxsquelch 820 <enter><br><br>Try the squelch. It should give you a
"fast squelch" for signals that have 20 db quieting or better.<br>then test the
threshold and see how weak signal will open the squelch. You may have to tweak
the squelch to liking.<br><br>Once you have the squelch set correctly then save
thew settings.<br><br>*CLI> radio tune save.<br><br>You should be good to
go.<br><br>Jon VA3RQ<br><br><br><br><br><br><br><br><br>On 3/29/2015 1:33 AM, R.
Wayne wrote:
<blockquote type="cite">
<div dir="ltr">
<div style="FONT-SIZE:12pt;FONT-FAMILY:'Calibri';COLOR:#000000">
<div>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.</div>
<div> </div>
<div>With this said is there anything in Allstar that would help with this
situation?</div>
<div> </div>
<div>Wayne</div></div></div><br>
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