Regarding the question of how far back TEMPEST goes, I took a look at
David Kahn's "The Codebreakers" which was copyrighted in 1967.
TEMPEST is not listed in the index. However I did find the following
paragraph in a portion of the chapter on N.S.A. that discusses
efforts to improve the US
http://www.idg.net/idgns/2000/01/24/NECClaimsWorldsStrongestEncryption
System.shtml
--- CUT -
NEC Claims World's Strongest Encryption System
by Martyn Williams, IDG News Service\Tokyo Bureau January 24, 2000
TOKYO (01/24/2000) -
By 1970-71 the US Air Force was testing its own facilities for emanations,
and as a low grade enlisted person with a Top Secret/Crypto clearance, I
was allowed to see the results of a test conducted against a facility
where I worked. The site used KY-8's and KY-28's, and we thought we were
very
I appreciate all the hard work that went into into prying this
material loose from NSA, but there is a case to be made that
"Echelon" as use in these documents is being employed according to
its dictionary meaning "A subdivision of a military force" rather
than as a code word.
The text in
Your points are valid for the AIA document. However, in the
Navy document, Number 9, image 3, there is the phrase,
"Maintain and operate an ECHELON site."
Still, you may be right that none of this proves there is a program
by that name, and it may be only a way of indicating an activity
of a
