[GreenKeys] TU replacement

[Hugh Pyle]

Here's ITTY running on a Model 33 :)
(using fIcy and minimodem)

The baud rate difference means a slightly jumpy printout experience.  But
it works :)

https://www.twitch.tv/videos/470559017 @ 08:30


On Wed, Aug 21, 2019 at 6:40 PM Hugh Pyle <hpyle at cabezal.com> wrote:

> Continuing down the linux-commandline road with some basic success.
> It's pretty wonderful to see ITTY in the terminal.  Next I need to run
> this on an actual Teletype!
>
>
> pi at stdout:~ $ fIcy -p http://internet-tty.net:8000/ITTY | lame --decode
> --quiet --mp3input - - | minimodem rtty -i -a -q -R 11025 -f -
> P
> EMPLOYER, THE ROYAL AIR FORCE, HE WORKED ON FAST
> RESCUE BOATS FOR DOWNED AIRPLANES. HE HAD WATCHED AN
> AIR CREW DROWN BECAUSE THE BOAT SENT TO RESCUE THEM
> (etc)
>
> fIcy: https://www.thregr.org/~wavexx/software/fIcy/ (download, tar xzvf,
> then 'make')
> minimodem: http://www.whence.com/minimodem/ installed with 'apt-get
> install minimodem'
> lame: version 3.100 installed with 'apt-get install lame'
>
>
>
>
> On Wed, Aug 21, 2019 at 3:53 PM Hugh Pyle <hpyle at cabezal.com> wrote:
>
>> For linux, there's also minimodem (http://www.whence.com/minimodem/).
>> From the man page (http://www.whence.com/minimodem/minimodem.1.html) it
>> should handle all the RTTY frequency shifts.  I don't know whether it can
>> output raw 5-level bits.
>>
>> Haven't tried it myself, yet, but this is on my todo list...
>>
>>
>> On Wed, Aug 21, 2019 at 3:34 PM John, W9DDD <w9ddd at tapr.org> wrote:
>>
>>> Yes I saw that one.  It's a shame that happened.  I guess he never made
>>> it public domain once he decided to pack it in.  (Perhaps disgusted
>>> enough to not do that?)
>>>
>>> I did run into https://www.ele.uva.es/~jesus/rtty/index.html which is
>>> simple enough to try and modify.  Unfortunately I haven't kept up my C
>>> programming skills.  Too bad PHP and HTML doesn't work for DSP.
>>>
>>> I don't see even a pirate copy on the internet. Wonder if you can run
>>> DOS on a Raspberry Pi?  A linux version of something would be my
>>> preference.
>>>
>>>
>>> John, W9DDD
>>> Ich habe dreimal abgeschnitten uns jetzt zu kurtz. (I cut it off 3 times
>>> and it's still too short.)
>>>
>>> On 8/21/2019 2:09 PM, Jim Haynes wrote:
>>> > On Wed, 21 Aug 2019, John, W9DDD wrote:
>>> >> I've been reading docs about MMTTY, fldigi etc.  As near as I can
>>> tell
>>> >> they all are oriented towards squirting characters on the screen. I
>>> >> don't see an option to drive an external printer either by bit
>>> banging
>>> >> a digital I/O port or a USB device like the volpe board.
>>> >>
>>> >> Is there an existing solution and I missed it or?
>>> >>
>>> > I don't think so.  I've been begging writers of the software to produce
>>> > a Baudot output on a wire when receiving, but so far have had no
>>> success.
>>> >
>>> > The now-ancient K6STI RITTY sofware did do that (at my request) but is
>>> no
>>> > longer available, more or less driven out by all the free software and
>>> > by the author's disgust at pirated copies.  And it was never updated to
>>> > run on anything but DOS and anything but a Soundblaster card.  I have
>>> an
>>> > old DOS machine that can still run it.
>>> ______________________________________________________________
>>> GreenKeys mailing list
>>> Home: http://mailman.qth.net/mailman/listinfo/greenkeys
>>> Help: http://mailman.qth.net/mmfaq.htm
>>> Post: mailto:GreenKeys at mailman.qth.net
>>>
>>> 2002-to-present greenkeys archive:
>>> http://mailman.qth.net/pipermail/greenkeys/
>>> 1998-to-2001 <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
>>>
>>> This list hosted by: http://www.qsl.net
>>> Please help support this email list: http://www.qsl.net/donate.html
>>> Message delivered to hpyle at cabezal.com
>>>
>>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mailman.qth.net/pipermail/greenkeys/attachments/20190821/d0070727/attachment.html>