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From: wn9nbt@ecn-ee.UUCP
Newsgroups: net.ham-radio
Subject: Re: White House radios prevent eavesdrop - (nf)
Message-ID: <2070@pur-ee.UUCP>
Date: Tue, 21-Aug-84 18:26:58 EDT
Article-I.D.: pur-ee.2070
Posted: Tue Aug 21 18:26:58 1984
Date-Received: Wed, 22-Aug-84 01:45:10 EDT
Sender: notes@pur-ee.UUCP
Organization: Electrical Engineering Department , Purdue University
Lines: 13

#R:ihuxf:-235700:ecn-ee:14900007:000:228
ecn-ee!wn9nbt    Aug 21 13:33:00 1984



Anyone know the coding method they use ?   I hope not the old
balanced modulator scheme that a lot of police departments use.

I've never listened to them, I'm just curious how they work...

.....Dave Chasey -- pur-ee!wn9nbt