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Re: [RTTY] Narrow RTTY

To: "'Bill Coleman'" <aa4lr@arrl.net>,"'RTTY List'" <rtty@contesting.com>
Subject: Re: [RTTY] Narrow RTTY
From: "Joe Subich, W4TV" <k4ik@subich.com>
Date: Mon, 16 Jan 2006 23:09:53 -0500
List-post: <mailto:rtty@contesting.com>
AA4LR writes:

> If you recall several years ago, there were a number of packet
> forwarding stations operating on HF under an STA that were using a
> 600 Hz shift. 300 baud, 600 shift is a modulation index of 1.

The STA work was all done at 200 Hz shift, 300 baud ... I was a member
of that group in the mid-to late 80's.  The STA was issued to ARRL and
the results were the basis for the (misguided) rules that currently
permit both automatic and semi-automatic operations.

73,

    ... Joe, W4TV



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