Specifically, the page for the homebrew transistor circuits are here:
http://www.aa5au.com/rttyinterface.html
Sounds like your friend is looking for a commercial interface that does FSK.
Sorry but I don't know of any suggestions. I don't know
if the Signalink does FSK or not.
73, Don
-----Original Message-----
From: RTTY [mailto:rtty-bounces@contesting.com] On Behalf Of Ed Muns
Sent: Tuesday, October 16, 2012 6:19 AM
To: 'Dick Kriss'
Cc: 'RTTY Reflector'
Subject: Re: [RTTY] Icom FSK interface
www.rttycontesting.com shows a simple homebrew FSK/PTT interface and references
some commercial interfaces. There are many choices.
For a more comprehensive discussion, including an interface comparison chart,
see the RTTY Contesting column in the May/June 2012
issue of NCJ, page 41.
Ed W0YK
Dick AA5VU wrote:
> A ham friend called last night he wants to get on RTTY with a PC and
> an Icom IC-756 Pro III and he plans to use FSK. He wanted to know if
> there was an inexpensive interface device to handle the connections
> between the PC and the Pro III.
>
> As a Mac user I only use AFSK and could not help him. The SignaLink
> USB is good for AFSK but does not support FSK. How do FSK users
> handle the connections between the PC and and Icom?
>
> I referred him to AA5AU's web page and he did not see any mention of
> using something like the SignaLink for FSK.
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