[Orion] AGC/NR Interaction?

[Rein Couperus]

On Monday 29 November 2004 22:16, Joe Giacobello wrote:
> I have read references to interactions between the AGC and the NR
> settings on the Orion, but they seemed general and did not specify
> exactly what was observed.  This weekend I was working 80M in the test
> and noticed that with the AGC at any threshold setting other than
> minimum (0.38), the noise actually increased considerably when I
> activated the NR.  I repeated the condition several times, so I wasn't
> imagining it.

Was the s-meter reading going up or just the audio?
On my qth which is very noisy at times (S 6-8 noise on the 4x40m loop) the S 
meter goes down to S3 when I use  NR3, and the S/N ratio is improved 
accordingly both on SSB and CW, even with AGC threshold around 1.0

Rein PA0R
>
> I haven't gone back to look at the issue in detail and to define the
> conditions that cause the problem, but there seem to be some combination
> of band conditions, AGC threshold setting and NR setting that produces
> the problem.  I wonder if anyone else has observed this problem, or is
> it a problem with my Orion and/or setup?
>
> 73, Joe
> _______________________________________________
> Orion mailing list
> Orion at contesting.com
> http://lists.contesting.com/mailman/listinfo/orion

-- 
Rein at Couperus.com or PA0R at EUDXF.ORG
http://www.couperus.com
http://savannah.nongnu.org/projects/tlf