[TenTec] More from Rob Sherwood, NCØB Re: Is the Orion Noisy?]

[Carl Moreschi]

I use 0.30 hang time on my medium and slow AGC.  This fixes the "noisy" AGC
problem on weak signals.  The default hang on the Orion is 0 hang on all AGC
speeds.

Carl Moreschi N4PY
121 Little Bell Drive
Bell Mountain
Hays, NC 28635
----- Original Message ----- 
From: "Grant Youngman" <nq5t at tx.rr.com>
To: "'Discussion of Ten-Tec Equipment'" <tentec at contesting.com>
Sent: Wednesday, December 20, 2006 7:39 PM
Subject: Re: [TenTec]More from Rob Sherwood, NCØB Re: Is the Orion Noisy?]


>
> > Here are my comments on the major issue of how the Orion II
> > sounds with
> > S2 or S3 signals.
> > The issue of the noisiness of the Orion II has to do with the
> > operation of the AGC code, not general sensitivity.  Once a
> > signal starts to move the S meter, a radio should start
> > quieting down, and one should be able to run the AGC slowly
> > enough smooth out the signal.  <etc. etc.>
>
> I think Rob's observations in this respect, relative to the II/v2 are dead
> on the mark.  It isn't that the radio is "noisy" (in some absolute sense
> affecting sensitivity),  it has to do with AGC behavior.  That same
behavior
> I've always thought is the factor that has led some (me included) to
notice
> (and report to ditsnbits) what sometimes appears to be no apparent
> difference in AGC speeds between the S/M/F settings.  This latter effect
is
> especially noticable with weak signals close to the noise level, or even
> just listening to the noise by itself and observing the effect (or lack of
> effect) of AGC speed settings along the lines of what one would typically
> observe in an analog radio.
>
> Grant/NQ5T
>
>
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