[CQ-Contest] Inter-station interference

[Tim Duffy]

Barry:

What I told Andy was that a certain Ferrite Bead that I was using on
my antenna feedlines was the cause of increased inter band
interference at my station.  It appears that the performance of the
bead was altered by a nearby lightning strike.

The problem I experienced did NOT involve ferrite baluns.

Please remember that my station is unique and I would be surprised if
anyone else experiences this exact problem.

Ferrite bead chokes in this application (they are NOT baluns) when
properly installed will not increase inter band interference.


73,
Tim K3LR



Barry Kutner wrote:

> I had an interesting discussion with N2NT on 2m yesterday about
> SO2R and interference between the two stations. Andy mentioned
> that K3LR found that ferrite baluns on antennas actually increase
> broadband hash noise, and after removing them, there was less
> interference between stations. Two questions:
> 1. Has anyone else verified this?
> 2. Is a Hygain BN4000 a ferrite balun?
>
> Tnx/Barry
> --
> Barry Kutner, W2UP              Internet: w2up at mindspring.com
> Newtown, PA         FRC         alternate: barry at w2up.wells.com
>
> --
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