[GreenKeys] ITTY 850 shift?

Harold Hallikainen harold at w6iwi.org
Sat Feb 4 21:09:55 EST 2023


I wonder if those tones (2 kHz +/- 425 Hz) are far enough away from the
170 Hz shift tones that both could be sent on the same channel and the
terminal unit would demodulate the correct ones.

Harold
https://w6iwi.org


On Sat, February 4, 2023 6:57 pm, Daniel Jones wrote:
> As a fellow military user I concur.
>
>
>
> Daniel
>
> www.K6YIC.com
> DJones at K6YIC.com
>
> HH#11973
>
>
>
> On Feb 4, 2023, at 17:54, Nick England  wrote:
>
>
> Paul, definitely use these military tones and not the ham ones that Jim
> Haynes discussed. No one is running 850 shift any more except us guys
> running military gear. Our equipment is not retunable to the ham tones.
> Thanks
> Nick
>
>
>
>
> On Sat, Feb 4, 2023 at 8:29 PM W2HX  wrote:
>
>         That would be cool! Center freq 2000 Hz, shift is +/- 425 Hz so
> that means the tones are 1,575 Hz and 2,425 Hz. Mark is low.
> Someone correct me if I’m wrong.
>
>
>
>
>
>  73 Eugene W2HX
>  Subscribe to my Youtube Channel: https://www.youtube.com/@w2hx/videos
>
>
>
>
>   From: Paul Heller
>  Sent: Saturday, February 4, 2023 7:58 PM
>  To: W2HX
>  Cc: Daniel Jones ; Greenkeys
>  Subject: Re: [GreenKeys] ITTY 850 shift?
>
>
>
>  Let me see what I can do. What are the frequencies for 850 shift, mark
> and space?
>
>
>
>  Paul
>  W2TTY
>
>  ITTY:                      HTTP://INTERNET-TTY.NET:8000/ITTY
>  ITTY100:               HTTP://INTERNET-TTY.NET:8010/ITTY100
>
>
>
>  AUTOSTART: HTTP://INTERNET-TTY.NET:8030/AUTOSTART
>  EUROPE:              HTTP://INTERNET-TTY.NET:8040/EUROPE
>
>
>
>
>
>
>   On Feb 4, 2023, at 5:53 PM, W2HX  wrote:
>
>
>  
>  Thanks, Dan. I can generate the tones ok. I was just hoping that I could
> get some news stores to print. It would be great if the ITTY powers that
> be could just pipe the same data to both a 170 Hz shift and an 850 Hz
> shift audio stream.  Dunno what is involved with that but just curious.
>
>
>
>  73 Eugene W2HX
>  Subscribe to my Youtube Channel: https://www.youtube.com/@w2hx/videos
>
>
>
>   From: Daniel Jones
>  Sent: Saturday, February 4, 2023 7:46 PM
>  To: W2HX
>  Cc: Greenkeys
>  Subject: Re: [GreenKeys] ITTY 850 shift?
>
>
>
>  I had a cast set up to broadcast tty over the internet.  Let me look this
> week and see if it’s still running on my site and the feed something
> into it at 850 shift.
>
>
>
>
>  You can also change the settings on the itty software to the required
> tones to test it in-house.
>
>
>
>
>
>  Daniel
>
>  www.K6YIC.com
>
>  DJones at K6YIC.com
>
>  HH#11973
>
>
>
>
>
>
>
>
>   On Feb 4, 2023, at 16:34, W2HX  wrote:
>
>
>  
>  Anyone know if there is a URL for ITTY for 850 shift?
>
>
>  73 Eugene W2HX
>  Subscribe to my Youtube Channel: https://www.youtube.com/@w2hx/videos
>
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>  >>> Jordan Spencer Cunningham's GreenKeys Search Tool:
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>  >>> 2002-to-present greenkeys archive:
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>  >>> 1998-to-2001 greenkeys archive:
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>  >>> Randy Guttery's 2001-to-2009 GreenKeys Search Tool:
> http://comcents.com/tty/greenkeyssearch.html
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> --
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> Nick England K4NYW
> www.navy-radio.com
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> 1998-to-2001 greenkeys archive:
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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
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
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