[Hammarlund] SA-3 Panadapter

Bob Macklin macklinbob at msn.com
Thu Feb 24 13:29:41 EST 2011


Where do you have the panadapter connected?

Bob Macklin
K5MYJ
Seattle, Wa.
"Real Radios Glow In The Dark"
----- Original Message ----- 
From: "Tom Elmore " <tom at telmore.com>
To: <hammarlund at mailman.qth.net>
Sent: Thursday, February 24, 2011 10:21 AM
Subject: [Hammarlund] SA-3 Panadapter


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> Hello, I have a question for the list I have a old navy Panadapter model 
> SA-3 (50kc) that I have paired with a Hammurland HQ-170A. When I am tuning 
> around say on 75 meters and zero in on a station how far should I be able 
> to see on either side of center. Say I am listening on 3920 kHz and the 
> Panadaper is set for a sweep of 1 which I think equates to 5kc per 
> division on the screen then I should be able to measure 25 kc +/- of 
> center correct ? It seems the receivers drops off after 10 or 15 kc and I 
> am wondering if this is inherent to the receiver IF. If I turn up the 
> Panadapers gain I can see further either side of center but this raises 
> what I would call the noise floor in the center of the screen.
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> Thank You
> Tom ElmoreKA1NVZ
> Anchorage, Ak
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