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<DIV>But as we said we are using a RTCM.</DIV>
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<DIV style="font-color: black"><B>From:</B> <A title=jrorke@cogeco.ca
href="mailto:jrorke@cogeco.ca">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">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:
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<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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