but Skip, I am referring to use of FLdigi with PSKMAIL and their use
of PSK250.  I have tried to connect with other modes but most PSKMAIL
stations respond to PSK250 and not to DominoEX.

Andy K3UK

On Wed, Oct 21, 2009 at 8:40 AM, hteller <hteller at comcast.net> wrote:
> Andy, the reason we use DominoEx for NBEMS instead of PSK250, 125, or 63, is
> that noise spikes will pull the frequency in the absence of a signal because
> they look like a signal to the AFC. DominoEx uses no AFC and can be mistuned
> half the mode bandwidth and still copy. PSK250 works OK on VHF FM where
> there are very few noise spikes, but on HF, we have found it does not work
> well except perhaps in the winter when the noise levels, and especially
> static levels, are low.
>
> Hold down CTRL while you roll the mouse wheel and are pointing to the
> waterfall, and you can reduce the capture range of the AFC on fldigi. That
> may help. The
> bandwidth cursor will change size as you roll the wheel.
>
> 73 Skip KH6TY
> Andy obrien wrote:
>>
>> With Alpha versions up to AQ, both Linux and Windows XP,  the position
>> on the waterfall (in PSK250 mode) stills wander up and down by several
>> hundred Hz despite my settings to keep within 20 Hz (General and Mail)
>> . Particularly in the presence of a nearby signal, any mode.   In an
>> older version 3.12 that came with my Puppy of PSKMAIL Server, it did
>> not do this, rock solid on 1000 Hz.  I have not installed AR yet
>>
>> Andy K3UK
>> _______________________________________________
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>> fldigi-alpha at lists.berlios.de
>> https://lists.berlios.de/mailman/listinfo/fldigi-alpha
>>
>>
>
>

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