[RTTY] MMTTY and EXTFSK at 75 baud...

[Peter Laws]

Not what he said.  EXTFSK won't work with anything but 45.45 bauds.
MMTTY has many ways of keying a radio or generating tones.  EXTFSK is
only one of them.


On Sat, Jun 5, 2010 at 20:29, James Colville <jimw7ry at gmail.com> wrote:
> Sounds like the contest is a bust then.... If MMTTY wont work.
>
>
> MMTTY is the most used RTTY program.
>
> 73
> Jim W7RY
>
>
>
> On Sat, Jun 5, 2010 at 9:04 AM, Robert Chudek - K0RC <k0rc at citlink.net>wrote:
>
>> This is a FYI message...
>>
>> Operators planning to participate in the 75 Baud contests this weekend and
>> next should be aware IF they are using the popular EXTFSK driver, this
>> driver is hard coded to transmit at 45.45 Baud. Typically this driver is
>> used to generate FSK & PTT keying (not AFSK) by RTTY software, MMTTY in
>> particular.
>>
>> Dave Bernstein, AA6YQ, verified this (documented) limitation. He maintains
>> the MMTTY source code.
>>
>> How do you know whether you are using the EXTFSK driver? Bring up your
>> software configured for a RTTY contest. Look at the bottom of the screen to
>> see if there is an EXTFSK 1.05 button displayed on the Windows task bar. If
>> it is shown, you are using the driver and will only be able to transmit at
>> 45.45 Baud.
>>
>> There are many other RTTY packages that will allow 75 Baud TX speeds. If
>> you were planning to participate in high speed RTTY, it would be a good time
>> to investigate other options if you are currently using the EXTFSK driver.
>>
>> 73 de Bob - KØRC in MN
>> _______________________________________________
>> RTTY mailing list
>> RTTY at contesting.com
>> http://lists.contesting.com/mailman/listinfo/rtty
>>
>
>
>
> --
> 73
> Jim W7RY
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>



-- 
Peter Laws | N5UWY | plaws plaws net | Travel by Train!