[RTTY] MMTTY AFC Bug

[Randy Lake]

IIR in D1 and FIR in 2nd RX window

On Sun, Jan 9, 2011 at 11:16 PM, Don AA5AU <aa5au at bellsouth.net> wrote:

> I'm wondering what profile people were using when the AFC was turning off.
> I
> didn't notice this until Sunday when I switched from FIR to the AA6YQ 512
> profile and found that it works wonderfully for copying weak signals while
> running 15 meters to EU.  I decided to run it on both radios for most of
> the day
> and on several occasions heard a signal, but got got no print because AFC
> was
> off (I think).  At the times it happened, I chalked it up to the new
> profile.  I
> was "thinking" that it was the nature of the 512 profile that if you aren't
> tuned right on the signal or if the signal is too far off that AFC couldn't
> tune
> it fast enough that it won't print.  I was working so hard at making
> contacts
> that I didn't actually put 2 and 2 together that AFC was turning itself
> off.
>
> On Saturday, using FIR profile, I did not have this problem.  I did
> eventually
> go back to the FIR profile later Sunday and didn't have the problem.
>
> With the MMTTY plug-in for WriteLog, there is an option to turn AFC OFF
> while
> there is a callsign in the Entry Window.  I checked to make sure this
> option was
> not checked and it was not.  I even enabled it thinking it might help when
> using
> the 512 profile, but it didn't work.  AFC stayed on even if there was a
> call in
> the Entry Window.
>
> There's plenty of RTTY contests in the two months where we try to determine
> what's going on.
>
> The AA6YQ 512 profile is really awesome!
>
> Thanks Dave!
>
> 73, Don AA5AU
>
>
>
> ----- Original Message ----
> From: Dave AA6YQ <aa6yq at ambersoft.com>
> To: Rick Ellison <rellison at twcny.rr.com>; rtty at contesting.com
> Sent: Sun, January 9, 2011 4:56:09 PM
> Subject: Re: [RTTY] MMTTY AFC Bug
>
> >>>AA6YQ comments below
>
> -----Original Message-----
> From: rtty-bounces at contesting.com [mailto:rtty-bounces at contesting.com]On
> Behalf Of Rick Ellison
> Sent: Sunday, January 09, 2011 5:44 PM
> To: rtty at contesting.com
> Subject: Re: [RTTY] MMTTY AFC Bug
>
>
> This is one of the things I was going to point out Bob..
> There are a few different settings in N1MM that will cause the AFC to turn
> off or on depending on what setting you have off or on.. One of them being
> send Ham Default on S&P/Run Change. If the AFC is turned on in the Default
> profile and this setting is turned on then the AFC could be turned off or
> on
> depending..
>
> >>>That's why I've asked if anyone running MMTTY standalone had experienced
> this behavior. So far, the only two reports have come from ops using
> WriteLog and N1MM; those applications could be directing MMTTY to disable
> AFC.
>
>     73,
>
>         Dave, AA6YQ
>
>
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-- 
Randy Lake N1KWF
73 Gunn Rd.
Keene,NH