[TenTec] Re: TWINCOM feedline?

[Shawn Upton]

That's what I thought; I just wanted to make sure.

KB1CKT

--- "Dr. Gerald N. Johnson, electrical engineer"
<geraldj@isunet.net> wrote:
> A radiating feedline can cause TVI by radiating
> closer to the faulty TV
> than the elevated and relatively remote antenna. In
> some areas, the
> neighbor's TVs aren't very far from the ham station.
> There is a
> difference between harmonics and fundamental
> overload. Both are affected
> by feedline radiation. We tend to attack harmonics
> by low pass filters
> on the transmitter and high pass filters on the
> affected TV, rather than
> band pass filters. Sometimes harmonics are generated
> in overloaded TV RF
> stages.
> 
> 73, Jerry, K0CQ
> 
> -- 
> Entire content copyright Dr. Gerald N. Johnson,
> electrical engineer.
> Reproduction by permission only.


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