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From: ai2q@ky2d-2.UUCP (Alex)
Newsgroups: net.ham-radio.packet
Subject: Re: Re: Circuit diagram of 9600 Baud modem?
Message-ID: <59@ky2d-2.UUCP>
Date: Wed, 27-Nov-85 00:29:20 EST
Article-I.D.: ky2d-2.59
Posted: Wed Nov 27 00:29:20 1985
Date-Received: Thu, 28-Nov-85 04:23:28 EST
References: <449@mit-eddie.UUCP> <55@ky2d-2.UUCP>
Organization: KY2D-2 Packet Radio Gateway, Little Silver, NJ
Lines: 46

> > Hello!
> > Where can I get a circuit diagram of the 9600 Baud packet radio modem?
> > vy 73
> >      Karl-Heinz               DK8HI
> 
> If you would like information about the K9NG 9600 baud modem,
> I would suggest you contact TAPR (Tuscon Amateur Packet Radio) at:
> 
> Tuscon Amateur Packet Radio Club
> P.O. Box 22888
> Tuscon, Arizona  87534
> 
> They should be able to tell you all you would like to know about
> Steve Goode's 9600 baud packet TNC.
> 
> One other place to look for information on the modem is in the
> Gateway newsletter - Volume 2, Issue 2, September 4, 1985.  There
> is an article around page 6 entitled, "K9NG MODEM PROJECT".
> 
> The PC-board is supposed to be designed to connect a TNC and a
> Hamtronics FM-5 220 MHz transceiver.  Other transceivers can be
> substituted, with appropriate modifications to the modem board.
> 
> This will not be a step-by-step project for the beginning kitbuilder,
> but the documentation provided with the board and the article that
> Steve submitted to the proceedings of the fourth ARRL Amateur Radio
> Computer Networking conference (available for $10 from the ARRL)
> should allow experienced builders to assemble and test the modem.
> 
> Hope that was helpful!
> 
> -Tom Brown KA2UGQ

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Karl-Heinz:
You can find a detailed description of the 9600 bps modem in the Fourth
ARRL Amateur Radio Computer Networking Conference proceedings, edited by
Paul Rinaldo, W4RI, and Dr. Hank Magnuski, KA6M. A booklet is available
from the ARRL as well as a bound volume conatining the previous three
volumes of papers (also includes all the issues of Vol. I of GateWay, the
ARRL Packet Radio Newsletter). The 7-page article begins on page 45.
---73 de Alex, AI2Q, Freeport, Long Island, New York