[TenTec] Pegasus NB

Wed, 21 Aug 2002 08:58:09 -0500

Duane,

Thanks for the great info. I was not even aware that the N4PY software had
the noise reduction until you mentioned it. For whatever reason, I thought
that "noise" button was the on/off for the slider. I am assuming now that
the "noise" button is in fact the noise reduction and not noise blanker.

Carl leaves out some stuff in his documentation (and clearly states that)
which is already covered in the Ten Tec help file, etc. I am sure it makes
sense if you are familiar with Ten Tec's GUI but to be honest, I was so
disappointed with Ten Tec's  that I jumped into Carl's software the first
day.

What prompted all this was I have been playing with the new pegasus plus
software and the button is labeled "Noise Reduction". So, I was trying to
compare two different things. Basically turning on the NR and NB at the same
time on the N4PY software.

Thanks again and 73,

Rich
kd0zv

----- Original Message -----
From: "Duane Grotophorst" <n9dg@yahoo.com>
To: "John L Merrill" <jmerrill1@adelphia.net>; "Rich McCabe"
<rich@1967z28.com>; <tentec@contesting.com>
Sent: Tuesday, August 20, 2002 11:55 PM
Subject: RE: [TenTec] Pegasus NB

>
> There may be several different variables at work here.
>
> First keep in mind that only firmware versions 1.15
> and later have both Noise Reduction (NR) and Noise
> Blanker (NB) capability. This version of firmware was
> released along with Ten Tec control panel software
> version 1.65. Firmware versions older than that will
> only have NR. Carl's software supported the added
> noise-blanking feature shortly after it appeared in
> the Ten Tec control program. Every version of either
> software (and firmware) since then has had both.
>
> Also consider that they each target a different kind
> of noise problem. NR is for reducing general
> background hiss and static crash types of noises. I
> find it works very well, especially for signals S7 or
> so and above. Whereas the NB is intended for pulse
> type noises, and may not make any noticeable
> difference depending on the characteristics of the
> noise itself.
>
> The PegasusPlus control program uses the exact same
> features of the Pegasus command set, as does Ten Tec's
> and N4PY's. There is not a lot of variation as to how
> NR and NB can be implement in the control software
> other than the "look and feel" of the control. Recent
> versions of all three programs have both NR and NB
> included. Again this is dependent on the Pegasus
> firmware version, firmware versions older than 1.15
> will not have any NB function at all. The most recent
> firmware version is 1.19, and is the best one to use
> regardless of which recent version of control software
> you use.
>
> Duane
> N9DG
>
>
> --- John L Merrill <jmerrill1@adelphia.net> wrote:
> > Mike:
> > With any of the software packages, I find it hardly
> > makes any difference at
> > all.
> >
> > John N1JM
> >
> > -----Original Message-----
> > From: tentec-admin@contesting.com
> > [mailto:tentec-admin@contesting.com]On
> > Behalf Of Rich McCabe
> > Sent: Monday, August 19, 2002 7:00 PM
> > To: tentec@contesting.com
> > Subject: [TenTec] Pegasus NB
> >
> >
> > I am pretty sure this has been debated on the forum
> > but I could not find it
> > in the Archive.
> >
> > I am curious other Pegasus owners results with the
> > NB on the Peg. I talked
> > to Carl and he said his NB works the same as the
> > orginal Ten Tec software
> > but it acts totally different on my rig.
> >
> > With the stock Ten Tec software I see no difference
> > when I flip the switch
> > except on 160 AM and it is marginal there. On SSB
> > there is no difference at
> > all. With the N4PY software I notice the difference
> > right away. As a matter
> > of fact some settings will distort the received
> > audio of the incoming
> > signal.
> >
> > I have played around with Mike's new Pegasus Plus
> > and find that it acts
> > similar to Ten Tec's and makes little difference.
> >
> > Has anyone else had similar results?? Also I see
> > that the new Pegasus Plus
> > has a new "noise reduction" button that is supposed
> > to be an adaptive DSP
> > filter that allows noise reduction. They say it cuts
> > down background noise
> >
> > Any comments?
> >
> > 73,
> >
> > Rich
> >
> >
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