Hi Dave,
I will be looking very much forward to your magic touch on MMTTY.
Just thought that this program is so widely used by the RTTY enthuiast
community, that some enterprising DX'er would have cooked up a
magic-bullet profile to add to our RTTY toolchest with MMTTY
73/jeff/ac0c
Dave AA6YQ wrote:
> I'm not aware of a profile optimized for weak signal work, but I have in
> mind several improvements to MMTTY's RTTY decoder that should improve its
> weak signal capabilities.
>
>
>
> 73,
>
>
>
> Dave, AA6YQ
>
>
>
> From: Jeff Blaine [mailto:keepwalking188@yahoo.com]
> Sent: Thursday, March 12, 2009 10:42 AM
> To: Dave AA6YQ
> Cc: BIll Duffy; RTTY Reflector
> Subject: Re: [RTTY] EU1SA, AA6YQ profiles in MMTTY
>
>
>
> Hi Dave,
>
> May I know if there is another profile available that is optimized for weak
> signal work?
>
> Meaning the settings are providing the maximum ability to deal with low SNR
> conditions.
>
> THanks
>
> 73/jeff/ac0c
>
> Dave AA6YQ wrote:
>
> See
>
> <http://lists.contesting.com/pipermail/rtty/2009-January/027738.html>
> <http://lists.contesting.com/pipermail/rtty/2009-January/027738.html>
>
> 73,
>
> Dave, AA6YQ
>
> -----Original Message-----
> From: BIll Duffy [mailto:bjduffy@cox.net]
> Sent: Sunday, January 25, 2009 8:46 PM
> To: Dave AA6YQ; RTTY Reflector
> Subject: Re: [RTTY] EU1SA, AA6YQ profiles in MMTTY
>
>
> How does one access these profiles?
> ( I know it's a dumb question.....but how will I learn if I don't ask?)
> Bill
> KA0VVXK
> ----- Original Message -----
> From: "Dave AA6YQ" <mailto:aa6yq@ambersoft.com> <aa6yq@ambersoft.com>
> To: "RTTY Reflector" <mailto:rtty@contesting.com> <rtty@contesting.com>
> Sent: Sunday, January 25, 2009 7:17 PM
> Subject: Re: [RTTY] EU1SA, AA6YQ profiles in MMTTY
>
>
>
>
> Thanks, Vladimir, I'm glad we have connected.
>
> While you may have developed the EU1SA profile for contesting, I have
> found
> it quite helpful when DXing. As most of the entities I still need on RTTY
> are rare, the ability to decode when multiple signals are present is
> (unfortunately) useful.
>
> 73,
>
> Dave, AA6YQ
>
>
>
> -----Original Message-----
> From: rtty-bounces@contesting.com [mailto:rtty-bounces@contesting.com]On
> Behalf Of Vladimir Sidorov
> Sent: Sunday, January 25, 2009 7:15 PM
> To: RTTY Reflector
> Subject: Re: [RTTY] EU1SA, AA6YQ profiles in MMTTY
>
>
> Dave,
>
> As I am quite familiar with the profile (see my signature), let me add a
> couple of words to the discussion.
> The "EU1SA" profile is mostly not about decoding, but first of all, it's
> about extra filtering. It makes the MMTTY RX bandwith exactly matching the
> RTTY signal. The brickwall DSP filter with sharp skirts cuts everything
> off
> but the desired signal. It is clearly seen at the tuning indicator. With
> such a set up you can even use wide SSB filters and still have pretty nice
> results overall. Obviously if you use other filters, as well, it makes the
> overall selectivity even better.
>
> Yet another positive aspect of that is the tuning easiness. It comes from
> the fact that only one and only signal matches the bandwith. The moment
> you
> tuned to a station, the signal is already readable/decodable and you only
> need a bit of fine tuning, if any.
>
> As you can see, this profile is mostly just another contesting tool. It
> helps quick tuning and easy decoding regardless adjucent QRM. And still,
> it
> provides the decoder with a narrower bandwith to process, virtually one
> signal a time.
>
> 73,
> Vladimir VE3IAE aka EU1SA
>
> ---
>
>
>
>
> ----- Original Message -----
> From: "Dave Hachadorian" <mailto:K6LL@ARRL.net> <K6LL@ARRL.net>
> To: "RTTY Reflector" <mailto:rtty@contesting.com> <rtty@contesting.com>
> Sent: Sunday, January 25, 2009 5:07 PM
> Subject: [RTTY] EU1SA, AA6YQ profiles in MMTTY
>
>
>
>
> I just tried those two profiles, listening to FM1FV run a
> pileup on 14084. Neither profile copied as well as the
> standard rtty profile, which I had running in a separate
> window. Are the EU1SA and AA6YQ profiles supposed to be used
> under special circumstances only?
>
> Dave Hachadorian, K6LL
> Yuma, AZ
>
>
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