[GreenKeys] ITTY to real Teletype

Jeffrey Golas jeffg at junknet.net
Sun Oct 6 10:14:50 EDT 2024


Vlc to get the stream, minimodem to decode.

Jeff

> On Oct 6, 2024, at 3:18 AM, Rob Jarratt <robert.jarratt at ntlworld.com> wrote:
> 
> Hello,
> 
> Dave was asking this on my behalf, probably unaware that I am on this list too.
> 
> I have seen mention of ITTY Autostart etc and wondered about receiving all this on my ASR 33.
> 
> My thought was to see if I could set up a Raspberry Pi to receive the audio signal over the internet, translate that to ASCII and then send it to my ASR33. I already have the means to connect my ASR33 from software running on a Raspberry PI or a PC via reverse Telnet. The bit I am missing is what software (if any) there might be that I could run on a Raspberry Pi, or Windows that runs in the background (no GUI) to decode the ITTY audio signal. I am a software developer though, so I guess if such a thing doesn't exist then perhaps I can modify the MMTTY code that is published on GitHub.
> 
> Any pointers would be welcome.
> 
> Thanks
> 
> Rob
> 
>> -----Original Message-----
>> From: greenkeys-bounces at mailman.qth.net <greenkeys-
>> bounces at mailman.qth.net> On Behalf Of Jeffrey Golas
>> Sent: 06 October 2024 05:30
>> To: David Wade <dave.g4ugm at gmail.com>
>> Cc: Mailing List Green Keys <GreenKeys at mailman.qth.net>
>> Subject: Re: [GreenKeys] ITTY to real Teletype
>> 
>> Normally the ITTY service is fed to a piece of hardware called a terminal unit
>> (think modem). The service is streaming as RTTY which is normally sent over
>> amateur radio.
>> 
>> 
>> Jeff
>> 
>>>> On Oct 5, 2024, at 5:34 PM, David Wade <dave.g4ugm at gmail.com> wrote:
>>> 
>>> I know there have been several USB to TTY boards produced, but what
>> software would you use to drive one of these from itty?
>>> 
>>> Dave
>>> 
>>> G4UGM
>>> 
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>>>>>> Jordan Spencer Cunningham's GreenKeys Search Tool:
>>>>>> https://teletype.net/gksearch 2002-to-present greenkeys archive:
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>>>>>> 1998-to-2001 greenkeys archive:
>>>>>> http://mailman.qth.net/archive/greenkeys/greenkeys.html
>>>>>> Randy Guttery's 2001-to-2009 GreenKeys Search Tool:
>>>>>> http://comcents.com/tty/greenkeyssearch.html
>>> 
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>> 
>>>>> Jordan Spencer Cunningham's GreenKeys Search Tool:
>>>>> https://teletype.net/gksearch 2002-to-present greenkeys archive:
>>>>> http://mailman.qth.net/pipermail/greenkeys/
>>>>> 1998-to-2001 greenkeys archive:
>>>>> http://mailman.qth.net/archive/greenkeys/greenkeys.html
>>>>> Randy Guttery's 2001-to-2009 GreenKeys Search Tool:
>>>>> http://comcents.com/tty/greenkeyssearch.html
>> 
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> 


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