I mentioned in the original email the feedline is balanced. That would
eliminate coaxial feedlines which are unbalanced. What's left is parallel
conductor feedline like windowline, TV twin line, or 600-ohm home made or
purchased.
Dave - WØLEV
On Wed, Jan 4, 2023 at 3:49 AM <john@kk9a.com> wrote:
> What is your feedline?
>
> John KK9A
>
> David Eckhardt W0LEV wrote:
>
> Jim, I have measured (Icom 7300) reduction of nearly 11 dB of noise pickup
> from local sources by installing a bifilar wound common mode choke in the
> shack to transition from common mode from the transceivers/amps to
> differential mode of my antenna feedline. It is NOT a waste of energy,
> time, and money (built and measured my own).
>
> Dave - WØLEV
>
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--
*Dave - WØLEV*
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