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Re: [TenTec] Orion NR problem

To: "Discussion of Ten-Tec Equipment" <tentec@contesting.com>
Subject: Re: [TenTec] Orion NR problem
From: "Toby Pennington" <toby423@earthlink.net>
Reply-to: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Mon, 13 Jun 2005 13:43:49 -0400
List-post: <mailto:tentec@contesting.com>
I thought the NR wasn't working also some time back and asked Gary Barbour
about this as I though it was a bug. Here is his reply......

It is not a bug, but it is more apparent in the new firmware because
of the changes to the RF gain control. In the older firmware the Rx
Threshold adjustment would be modified when the NR function was
on. In 1.372 the RF Gain and the Threshold are modified during NR
operation. This is necessary because the NR function works best
when broadband noise is present along with a signal. Otherwise the
NR filter could have a problem tracking changes in pitch which
occur in normal voice.


----- Original Message ----- 
From: "Vince Santis" <vsantis@earthlink.net>
To: "'Tentec'" <tentec@contesting.com>
Sent: Monday, June 13, 2005 1:22 PM
Subject: [TenTec] Orion NR problem

> Hi,
> A couple of new anomalies have shown up on my Orion.
> 1. The introduction of NR has no effect or the noise level
> increases.
> 2. Squelch does not work.
> A master reset cures this but only for a short while, then the condition
> repeats itself.
> Any help is greatly appreciated.
> Vince Santis, N1VS
> Winsted, CT 06098
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