Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!uunet!shelby!agate!usenet.ins.cwru.edu!cwsys3!dkazdan
From: dkazdan@cwsys3.cwru.edu (David Kazdan)
Newsgroups: sci.electronics
Subject: Re: Audio Jamming
Summary: Where did those IFs come from?
Message-ID: <1991Feb15.125843.9651@usenet.ins.cwru.edu>
Date: 15 Feb 91 12:58:43 GMT
References: <2173@umriscc.isc.umr.edu> <Z64DX5w163w@shark.cs.fau.edu>
Sender: dkazdan@cwsys3.cwru.edu (David Kazdan)
Organization: Dept of Systems Engineering, Case Western Reserve U., Cleveland, OH
Lines: 7
Nntp-Posting-Host: cwsys3.esys.cwru.edu


I've always wondered how these became the standard IF frequencies,
along with 50 KHz for the third IF in the older triple-conversion
short wave rigs.  Any history known here?

--David, AD8Y