[RTTY] High speed RTTY

[Robert Chudek - K0RC]

Hello Roger,

My brother (KD8FS) and I were trying to get traction for the HSS contest. It 
ran in 1997, 1998, 1999, 2000, and 2001. But a commercial sponsor could not 
be found and we more-or-less threw in the towel at that point. The RTTY 
contesters continued using the 45.45 baud rate, even when new contests were 
introduced.

There was a lot of theory and discussion on the WF1B-RTTY reflector 
regarding a speed choice for the HSS. But it was just that... theory. Our 
idea was to put it on the air, limit it to 4 hours, and "see what happens". 
As you stated in your message, we also decided 75 baud (100 wpm) would be a 
good starting point for the event.

Long ago I participated in the transition from 850 cps shift to 170 Hz 
shift. I believe the change from 45 to 75 baud could come to pass as well. 
But moving the RTTY community to a new speed standard will probably be as 
difficult as Microsoft moving from DOS to Windows.

There is a distinct difference in the sound of a RTTY signal, whether 
850/170 shift or 45/75 speed. Most people can detect the difference between 
170 and 200 Hz shifted signals on the band. (Wasn't it the PK-232 that used 
200 Hz shift instead of 170?)

I do not remember the particulars of the 75 baud BARTG contests. But I would 
certainly support any organization that would sponsor a "High Speed" RTTY 
contest.

73 de Bob - KØRC in MN



----- Original Message ----- 
From: "Roger Cooke" <roger at g3ldi.co.uk>
To: <rtty at contesting.com>
Sent: Wednesday, January 27, 2010 5:05 PM
Subject: [RTTY] High speed RTTY


> Hi.
>
>  I am trying to push for a "higher" speed RTTY international standard and
> having read this I see that others are thinking along similar lines.
> Personally
> I think that 100Bauds is too fast. The BER rate increases with speed and
> using the present filters that most transceivers seem to have, namely 
> 250Hz
> or 200Hz, I think that 75 Bauds would be a better target. I have tried
> 75 Bauds
> on 80 and 20 metres with good copy and trying to keep up with the typing 
> at
> that speed is quite stimulating!
>  BARTG used to have a 75 Baud contest, but don't at present. I would
> support
> an international standard of 75 Bauds. It would almost double the
> present old
> 45 Baud that we are stuck on, and I don't know of anybody using 
> Teleprinters
> these days, so it would not be a problem. Simply altering the speed in 
> MMTTY
> and most other programs is all that is needed.
>  I remember having to change governors on my old Creed 7B every time I
> changed from the DX bands ( 45 Bauds ) to 80 metres ( 50 Bauds ).  Those
> days are confined to history and so should 45 Bauds!
>  How about it?
>
> 73 de Roger, G3LDI Chairman BARTG
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