Thanks, Bob... I was going to speculate about the encoder in the
original post, but don't really understand them. For someone of my
generation and background, it's hard to shake the vision of a variable
capacitor (or potentiometer, depending on the control) on the other end
of that shaft.
In any case, the problem is not recurring this morning. I'm going to
hold off on implementing your advice.
--John K3GHH
On 03/02/2013 10:26 PM, Bob McGraw - K4TAX wrote:
Probably you need to go through the radio, unplug each and every board
and connector, and re insert them. Just normal radio maintenance in my
opinion.
Also a wee bit and I mean a wee bit of Cramolin from Radio Shack might
be advisable on each connector. Just remember, more is not better.
What you are hearing is zipper noise from the steps in the rotary
encoder. Likely a few milliohms or resistance on a cable connector is
the most likely cause.
73
Bob, K4TAX
----- Original Message ----- From: "K3GHH" <k3ghh@arrl.net>
To: <tentec@contesting.com>
Sent: Saturday, March 02, 2013 6:43 PM
Subject: [TenTec] Orion 2 tuning noise
Just noticed this tonight: Tuning through 20m, there's an audible
"click" with each step in frequency (each 10 Hz with 10 Hz steps,
each 1 Hz when 1 Hz step is selected, etc.) It is impossible to tune
through the band listening for activity, since only the strongest
signals would make it through this noise. When I stop tuning and
settle on a frequency, everything is fine.
Any suggestions?
--
--- John, K3GHH
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