TenTec
[Top] [All Lists]

Re: [TenTec] 2.033

To: "Discussion of Ten-Tec Equipment" <tentec@contesting.com>
Subject: Re: [TenTec] 2.033
From: "Douglas Shock" <douglas.shock@gmail.com>
Reply-to: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Tue, 2 May 2006 15:45:47 -0600
List-post: <mailto:tentec@contesting.com>
Thanks for the laugh Grant...I needed that disclaimer.

the difference is that the NR seems much more aggressive. And, you may be
onto something with the distortion.

Disclaimer: No...you can't have my Orion II

On 5/2/06, Grant Youngman <nq5t@comcast.net> wrote:
>
> >
> > The NR does still add raspiness to the CW signal but it seems
> > to greatly reduce background noise more so than 2.032.
>
> Could just be AGC settings, or the characteristics of today's noise.  A
> quick check at the behavior on a spectrum analyser with a constant carrier
> signal in the passband doesn't show anything significantly different from
> previous releases.
>
> I've also come to think that what sounds like a bit of raspiness is
> actually
> the noise in the passband varying at the same rate as the signal.  With no
> signal, it sounds quiet.  WITH signal, the noise comes back up.  So what
> you
> hear is "quiet background, noisy dit, quiet background, noisy dash", etc.
> It's fairly easy to adjust a waterfall display to show this effect quite
> clearly on CW.  I think (maybe) that it's the varying background noise
> creating an illusion of "distortion".  Not 100% on that, but it's today's
> wild conjecture.  It may also be what causes the sense of some distortion
> on
> SSB when NR is active, although it's hard to see anything very conclusive
> on
> a dynamic SSB signal.
>
> Might deserve a closer look.
>
> Disclaimer:  I do not hate my Orion II.  I am not bashing the Orion
> II.  My
> Orion II is not for sale.  I'm only feeling the side of something large,
> gray, and hairy in an attempt to figure out what it is, and maybe learn
> something in the process.
>
> Grant/NQ5T
>
>
> _______________________________________________
> TenTec mailing list
> TenTec@contesting.com
> http://lists.contesting.com/mailman/listinfo/tentec
>
_______________________________________________
TenTec mailing list
TenTec@contesting.com
http://lists.contesting.com/mailman/listinfo/tentec

<Prev in Thread] Current Thread [Next in Thread>