[RTTY] More GRITTY observations

[Joe Subich, W4TV]

On 2015-04-27 4:21 PM, John GW4SKA wrote:
> That is user error. It only 'wanders off' as far as you have
> allowed.
>
> Go to setup; AFC/ATC/PLL then set the 'sweep' number to something
> like 0.4. I believe the figure is directly related to the shift
> frequency, so setting it to 0.4 allows the AFC to 'wander' by 0.4 x
> 170Hz, or 68Hz.

That is entirely correct.  The smallest pre-populated "Sweep" value
is 0.5 which represents 85 Hz.  I generally use 0.3 (51 Hz) and have
saved that to *all* of the saved profiles.

The biggest problem is that "MMTTY Default" restores a sweep of 1.0.

73,

   ... Joe, W4TV


On 2015-04-27 4:21 PM, John GW4SKA wrote:
>
> ----- Original Message ----- From: "Tim Shoppa" <tshoppa at gmail.com>
> To: <rtty at contesting.com>
> Sent: Monday, April 27, 2015 3:02 PM
> Subject: [RTTY] More GRITTY observations
>
>
>>
>> GRITTY AFC is superb. I hate hate hate MMTTY AFC, if I leave it on all
>> the
>> time it wanders off to infinity.
>
>> Tim N3QE
>
> Tim,
>
> That is user error. It only 'wanders off' as far as you have allowed.
>
> Go to setup; AFC/ATC/PLL then set the 'sweep' number to something like
> 0.4. I believe the figure is directly related to the shift frequency, so
> setting it to 0.4 allows the AFC to 'wander' by 0.4 x 170Hz, or 68Hz.
>
> John GW4SKA
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