Same here,
2Tone does a much better job when running 75 baud.
73
Fabi va2up
http://va2up.weebly.com/
> Date: Mon, 21 Sep 2015 20:09:41 +0000
> From: aa5au@bellsouth.net
> To: rtty@contesting.com
> Subject: Re: [RTTY] Great idea for the next 75 baud contest
>
> I've noticed that 2Tone is far better at decoding at 75 baud than MMTTY.
> MMTTY doesn't work well at all at 75 baud.
> 73, Don AA5AU
>
> From: "Joe Subich, W4TV" <lists@subich.com>
> To: rtty@contesting.com
> Sent: Monday, September 21, 2015 2:09 PM
> Subject: Re: [RTTY] Great idea for the next 75 baud contest
>
>
> > The only way to prevent this is to create several new Profiles for
> > 75 baud, each from a different existing base Profile with different
> > taps and other settings. You will need to name them appropriately by
> > the baseProfile settings - Flutter 75, FIR 75, etc.
>
> The "problem" with this is that the settings for 45.45 baud are not
> appropriate for 75 baud. In particular, one will need more bandwidth
> for 75 baud ... profiles like the AA6YQ-FIR-512, "hyper sensitive"
> and "EU1SA" are too tight for 75 baud - particularly in the presence
> of multipath and/or selective fading.
>
> I would expect the difference between 2-Tone decoding and MMTTY to be
> much more pronounced at 75 baud than at 45.45 baud.
>
> 73,
>
> ... Joe, W4TV
>
>
> On 9/21/2015 11:14 AM, Gary Senesac wrote:
> > Yeah but...
> >
> > When you create this new Profile in MMTTY you are doing more than just just
> > changing the baud rate settings. Whatever Profile you use for your base
> > settings will also be used for your new 75 baud Profile. If during the
> > contest you decide that MMTTY isn't decoding well enough and want to try
> > switching to a different Profile you will find yourself back to 45 baud!
> >
> > The only way to prevent this is to create several new Profiles for 75 baud,
> > each from a different existing base Profile with different taps and other
> > settings. You will need to name them appropriately by the base Profile
> > settings - Flutter 75, FIR 75, etc.
> >
> > This problem may be mitigated somewhat if you run multiple decode windows
> > using either other instances of MMTTY set for 75 baud, or multiple 2Tone
> > instances set to 75 baud with different decode parameters.
> >
> > Gary AL9A
> > Sent from my Kindle HDX
> >
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