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Path: utzoo!watmath!clyde!burl!ulysses!gamma!epsilon!zeta!sabre!bellcore!decvax!genrad!panda!talcott!harvard!seismo!brl-tgr!ron
From: ron@brl-tgr.ARPA (Ron Natalie )
Newsgroups: net.ham-radio
Subject: Re: "PL" and tweedles
Message-ID: <11397@brl-tgr.ARPA>
Date: Sun, 7-Jul-85 20:10:06 EDT
Article-I.D.: brl-tgr.11397
Posted: Sun Jul  7 20:10:06 1985
Date-Received: Thu, 11-Jul-85 00:38:12 EDT
References: <86@biomed.UUCP> <957@sdcsvax.UUCP>
Organization: Ballistic Research Lab
Lines: 15

> (Note to ham radio newcomers: the ``squelch tail'' is the burst of white
> noise heard as an FM receiver squelch delays closing for a short period
> of time.  It is NOT (as I have heard ignorant people say on local
> repeaters) the delayed drop-off time of the repeater.  It is perfectly
> possible (and common) to have a squelch tail when there is no repeater
> involved at all.
> 
On a repeater however, you hear the squelch tail from the repeaters
receiver being retransmitted.  If you have remote receive sites, the
problem is compounded.  You can get around this by delaying the repeated
audio by enough time that when the COS from the reciever dies, the
squelch tail in the delay line is dumped.  Of course, there isn't a
whole lot you can due about the squelch tail in the user's receiver.

-Ron