[TenTec] intermod on Jupiter when decreased RF Gain?

[Mark Erbaugh]

Ken,

I notice something similar on my Pegasus with reduced RF gain.

My guess is it's some artifact of the DSP AGC implementing higher gain .
With no signal on my Pegasus (i.e. dummy load), numerous birdies are
noticeable. With real noise and signals, most of these end up below the
noise floor (though a few still remain).

73,
Mark

----- Original Message ----- 
From: "Ken N9VV" <n9vv at wowway.com>
To: "Discussion of Ten-Tec Equipment" <tentec at contesting.com>
Sent: Sunday, November 19, 2006 9:06 PM
Subject: [TenTec] intermod on Jupiter when decreased RF Gain?


> Dear Jupiter owners,
> did anyone ever notice intermod when they lower the RF Gain? I
> have been tuning around on 80M tonight with the RF Gain set to
> only about 25% because of QRN crashes. I hear a lot of SSB, AM and
> what I would call birdies - until I crank up the RF Gain to more
> than 75% where everything is normal (but very noisy).
> your thoughts?
> BK de ken n9vv
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