I just connected my old external crystal calibrator to my Omni VII to use as
a steady signal source. I watched the S meter reading with a 6 khz/ 3000,
2.5 khz/2500, 0.5 khz/500, and 0.3 khz/300 filters selected. All 4 filters
produced identical readings.
Carl Moreschi N4PY
121 Little Bell Drive
Hays, NC 28635
----- Original Message -----
From: "Jay Lyle" <firstname.lastname@example.org>
Sent: Saturday, July 17, 2010 1:41 PM
Subject: [TenTec] S-meter reading lower in 6k/2600 than 2.5k/2500
> This seems strange to me:
> 1) Right now, noise level with 6k/2600 is 3-4 s-units
> 2) If I go down a notch to 2.5k/2500 noise GOES UP to 4-5
> Is this observation is consistent across all bands (blankers/notch and
> such are
> You'd think it would GO DOWN with a narrower filter combo.
> Going down to narrower settings, I get the expected results.
> 2.5k/600 shows 4 s units
> 500/500 GOES DOWN to 2
> I believe radios will have different gain settings depending on different
> filters to make up for the insertion loss.
> Anyone else see this effect?
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