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Old 09-15-2016, 10:57 PM   #22
ke0me
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Join Date: Mar 2014
Location: Ft. Collins, CO (mail forwarding)
Posts: 303
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A glimmer of hope

I looked at what I had that I could try without buying anything.

I had several MFJ-701 snap-on ferrite Toroid chokes left over from my first attempt at noise reduction from the ac power line.

So I went from 3 turns on one choke to 2 turns on 4 chokes.

It my be my wishful thinking, but on 40 meters (the only band the long wire seems to load on nicely) I thought I saw a 2 S unit drop in average noise.

Where it was peaking S-9 to 20 over, it now seems to be peaking S-7 to 9.

I need band conditions to get better so I can actually hear some signals!

Now I'm wondering if another set of 4 chokes on the ac line will make much of an incremental difference.

The big assumption is that the noise is coming from ac line and not other places.

Thoughts please.
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Dick KE0ME
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