[GreenKeys] Decoding RTTY for a Teletype with a Computer / Want to Buy

[w9ddd at tapr.org]

I couldn't get all the dependencies satisfied for v2x.  So I struck with V1. 

John, W9DDD


> On Nov 1, 2020, at 4:11 PM, Harold Hallikainen <harold at mai.hallikainen.org> wrote:
> 
> Thanks for posting that! I see a later version and documentation at
> http://www.ele.uva.es/~jesus/rtty/ . The version 2.1 decodes RTTY, packet,
> and CW.
> 
> Harold
> 
> 
>> I've been using this:
>> http://www.ele.uva.es/~jesus/rtty/rtty-1.0.html
>> To copy ITTY to the computer screen.
>> 
>> I've compiled it to default to standard tones and other parameters.  I
>> think I have figured out where to tap off the raw Baudot and use it to
>> wiggle one the RS-232 lines to drive some sort of switch for the 60mA
>> loop.
>> 
>> Too many irons in the fire!
>> 
>> John, W9DDD
>> 
>> 
>>>> On Nov 1, 2020, at 12:19 PM, Jim Haynes <jhhaynes at earthlink.net> wrote:
>>>> 
>>>> On Sun, 1 Nov 2020, John, W9DDD wrote:
>>>> 
>>>> And I guess we can assume the RITTY source code has never been
>>>> released? Lost and gone forever?
>>> I assume so, since K6STI was selling the program rather than giving it
>>> away.  Copies of the binary still exist, but as I mentioned you have to
>>> have a DOS machine with a certain SoundBlaster card to run it.  (I
>>> happen
>>> to keep an old machine just for that purpose.)
>>> 
>>> There are the other demodulator binaries such as MMTTY and the highly-
>>> regarded 2Tone.  2Tone only works as a plugin to N1MM logger and
>>> WinWarbler.  If someone could write a wrapper for one of those plugins
>>> I guess it could provide the output.
>> 
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> 
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