Why use the NR at all. Especially in a contest? Seems to me that that much
DSP is detrimental to the overall performance in a tight packed band.
Next time, try running it with the rf gain turned back to about 70 and leave
the NR off. I find that the DSP doesn't work fast recover fast enough to
allow for the changes in signal strength as one either tunes or listens for
calls.
Since the CQWW is mostly a S&P contest for us US stations, it's easier,
IMHO, to control the signal levels with the volume and AGC.
BTW, I wonder if any of you mess with the AGC settings for contesting. I
find that the factory default MID and Fast are just about right for most
situations.
I also find that turning the rf gain down when narrowing the filters to less
than 350hz is also helpful in pulling out the weaker "tweeners" that one
hears way down in the mud or that get spotted outside your strong signal
zones. Anyone else in the upper US notice how tough it was to work into
northern EU until late yesterday on 20M? Weird. Africa and southern EU no
problem.
Larry, N0XB
-----Original Message-----
From: orion-bounces@contesting.com [mailto:orion-bounces@contesting.com] On
Behalf Of Joe Giacobello
Sent: Monday, November 28, 2005 9:18 AM
To: Barry Gross
Cc: Orion @contesting.com
Subject: Re: [Orion] 1.372
I thought the selectivity was outstanding during the test. I was
hearing weak sigs on 40M right next to S-9+ sigs.
OTOH, the NR consistently raises the noise level. It's as if the RF
gain is being increased. I usually have to turn the RF gain way down
when using it. I really don't think it's working right on my rig.
Anyone else have similar behavior with 1.372?
73, Joe
Barry Gross wrote:
>On 11/28/05, Christoph Rheker <christor@microsoft.com> wrote:
>
>
>>Yes, same here, happens usually on the Low Bands.
>>
>>My Orion with 1.372 works great until receiver (DSP) is overdriven by
>>strong signal- about S9 plus 30dB.
>>
>>
>
>
>
>I work quite a bit of topband with my Orion and can't say that I experience
>this problem. Have you tried turning down the RF Gain control?
>
>73,
>Barry N1EU
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>
>
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