[RFI] 20M Heterodyne

Bill NY9H ny9h at arrl.net
Mon Sep 22 15:26:57 EDT 2008


Well guess what .... two of my neighbor/s are closer to the main 
tower than I am....
so My issues , which are directly below my shack , were quieted 
nicely from my tower 180 feet toward the creek. But that GUY is radiating s9...
I guess i need to ask him again if this weekend we can to the 'test".

nice pix jimbo in the NCJ


bill    h

At 01:58 PM 9/22/2008, Jim Brown wrote:
>On Mon, 22 Sep 2008 13:34:02 -0500, Bill  NY9H wrote:
>
> >we'll detach them  to see if the problem is correctly identified.
> >then over there with a few ferrites,,,  which cleared MY identical issue.
>
>Hi Bill,
>
>When Randy (K9OR) and I did this at his QTH several years ago, we knocked
>it down a lot but didn't kill it. There is almost certainly some direct
>radiation from the Ethernet boxes themselves, and, of course, your
>neighbors. Also, there are clocks in individual units with tolerances, and
>it's common for those clocks to spread out from 14,029 to above 14,030, and
>comparably on other bands. For others reading this, Randy's antenna is a
>vertical quite close to his shack, and he's on a small lot with neighbors
>on both sides in a city residential neighborhood (Evanston, IL).
>
>73,
>
>Jim K9YC
>
>
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