<p dir="ltr">So, you're saying the tail is still there, but you don't hear it because Asterisk stops transmitting the CTCSS tone just before the tail starts, meaning the receiving radios actually "don't" hear it?</p>

<p dir="ltr">Interesting way of looking at the issue, thats for sure...!</p>
<div class="gmail_quote">On 18/02/2013 4:26 AM, "Ken" <<a href="mailto:ke2n@cs.com">ke2n@cs.com</a>> wrote:<br type="attribution"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div lang="EN-US" link="blue" vlink="purple"><div><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Ciao Thomas<u></u><u></u></span></p><p class="MsoNormal">
<span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u> <u></u></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">The squelch “tail” is usually eliminated by using CTCSS (so called PL) on the transmitted signal and corresponding PL detection on receive.  I am not sure how common that is in EU though …<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u> <u></u></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">On the repeater you need (usbradio.conf)<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u> <u></u></span></p><p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Courier New"">txtoctype=notone</span><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u> <u></u></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">With this, Asterisk stops transmitting the CTCSS tone about 600 milliseconds before dropping the carrier – radios that are using tone squelch will not hear any noise at all when the other station stops transmitting.  <u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u> <u></u></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Some receivers need > 600 milliseconds for the tone squelch action. It is possible to make this time delay longer, if needed.<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u> <u></u></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">73<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u> <u></u></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Ken<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u> <u></u></span></p><div style="border:none;border-left:solid blue 1.5pt;padding:0in 0in 0in 4.0pt">
<div><div style="border:none;border-top:solid #b5c4df 1.0pt;padding:3.0pt 0in 0in 0in"><p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> <a href="mailto:app_rpt-users-bounces@ohnosec.org" target="_blank">app_rpt-users-bounces@ohnosec.org</a> [mailto:<a href="mailto:app_rpt-users-bounces@ohnosec.org" target="_blank">app_rpt-users-bounces@ohnosec.org</a>] <b>On Behalf Of </b>Thomas Delmonego<br>
<b>Sent:</b> Sunday, February 17, 2013 11:53 AM<br><b>To:</b> <a href="mailto:app_rpt-users@ohnosec.org" target="_blank">app_rpt-users@ohnosec.org</a><br><b>Subject:</b> [App_rpt-users] Avoid squelch noise after receiving a signal<u></u><u></u></span></p>
</div></div><p class="MsoNormal"><u></u> <u></u></p><div><div><div><p class="MsoNormal"><br><span style="font-family:"Tahoma","sans-serif"">Hi,<br>it's possible to avoid the typical squelch noise after the reception of a valid signal from a repeater RX? Is there a specific setting, if yes in what file?<br>
Many thanks for help!<br>73! Thomas, IW3AMQ</span><u></u><u></u></p></div></div></div></div></div></div><br>_______________________________________________<br>
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<br></blockquote></div>