Duane--
Thanks for the advice. It seems to have been an error in my MMTTY
settings. So you were correct.
Jim N4AL
Duane A Calvin wrote:
> Jim,
> Check to be sure you don't have XIT on. If not, then it would
> seem your transmitted tones may not be matching the received tones due to
> some change in the setup? I'm not a MMTTY expert, but if you don't have
> an offset when you're operating SSB, then it is most likely something at
> the PC end of things.
>
> 73 , Duane
>
>
> On Thu, 13 Apr 2006 09:45:19 -0500 Jim <jlboockh@earthlink.net> writes:
>
>>I have been successfully using my Omni VI Opt 3 on FSK with MMTTY for
>>a
>>few years now. I recently have developed a problem.
>>
>>To call a station, I align the yellow lines on the MMTTY FFT display
>>on
>>the mark and space of the received signal and hit the TX button.
>>Recently, when I do this, my transmitted signal is 300-400 hz away
>>from
>>the received signal. One station mentioned it to me, and others have
>>
>>responded by changing their frequencies to my transmit frequency.
>>This
>>creates a fun exercise as we chase each other around the band. Any
>>ideas
>>what could be causing this?
>>
>>I have a problem that may be related. In one of the filter positions
>>I
>>have the 500 hz RTTY filter (#216 I think). For the past few months,
>>the
>>passband of the filter has been skewed to the side of the two yellow
>>
>>lines of the FFT display, making the filter unusable except on the
>>strongest signals. Could this be a related problem?
>>
>>I haven't called TT on this yet, since there are people on this
>>reflector who know more than some of the TT technicians. Thanks!
>>
>> Jim N4AL
>> n4al at arrl.net
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>>
>>
>
>
>
> Duane Calvin, AC5AA
> Austin, Texas
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>
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