Path: utzoo!news-server.csri.toronto.edu!cs.utexas.edu!usc!sdd.hp.com!hp-col!col!ppa
From: ppa@col.hp.com (Paul Austgen)
Newsgroups: sci.electronics
Subject: Re: Secret Messages in my FM?
Message-ID: <38610003@col.hp.com>
Date: 7 Mar 91 16:37:51 GMT
References: <1707@ether.UUCP>
Organization: HP Colorado Springs Division
Lines: 3

You can demodulate this information if it is not encoded, such as
Muzak, with a phase-locked loop.  There are several subcarriers
used.  With a PLL, you can search around.