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From: khayo@sonia.UUCP
Newsgroups: sci.electronics
Subject: Re: AC current carrier modem
Message-ID: <8396@shemp.UCLA.EDU>
Date: Tue, 29-Sep-87 22:07:21 EDT
Article-I.D.: shemp.8396
Posted: Tue Sep 29 22:07:21 1987
Date-Received: Fri, 2-Oct-87 01:24:52 EDT
Sender: root@CS.UCLA.EDU
Reply-To: khayo@MATH.UCLA.EDU (Erazm J. Behr)
Distribution: na
Organization: Boelter Hall of Fame
Lines: 18
Keywords: modem AC BYTE
Summary: I found it!

Once again, sorry for cluttering the group - can't mail.
In article <1987Sep26.212814.921@gpu.utcs.toronto.edu> lharris@gpu.utcs.toronto.edu (Leonard Harris) wrote:
>(...) I was thinking of putting together a current carrier
>modem so I could zap files from a computer in the basement to one upstairs
>without tying up the phone lines.

To which I replied with a reference to BYTE "about 1.5 yr. ago."
Whew, time sure flies by... it's August 83, p.36 (Circuit Cellar).
The thing is based on Exars 2206 & 2211, so it's 300b using FSK.
Looks simple. There is also a minor follow-up a few months after
that in "Circ. Cell. Reader's Feedback" regarding sources for one
??? uF/600V cap that is apparently hard to find. If you don't have
easy access to BYTE (I hope RCMP has enough sense to intercept every
issue at the border & dump it in the trash :-)) let me know, I'll
xerox the article. BTW, the rag has no annual index - I figure you
owe me and my dusty fingers a Moosehead!!! Regards - Eric
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          >>>>--------------->         khayo@math.ucla.edu