[TowerTalk] Current Choke for Ladder Line

Bry Carling AF4K bcarling at cfl.rr.com
Tue May 12 16:14:01 EDT 2015


I would think that the OCF is FAR more likely to radiate off the feedline than a conventional 
dipole in most circumstances.

On 12 May 2015 at 14:01, Hans Hammarquist via TowerTal wrote:

> Gentlemen,
> 
> 
> I have seen many articles how to build and/or buy common mode chokes for coax cables but I don't remember any articles how to build (or buy) and choke for a 400 ohm ladder line.
> 
> 
> The common mode current on a ladder line is causing the same problem as a common mode current on a coax. i have a choke between my tuner and radio which reduced noise quite good but wonder now how much RF power I radiate and signal I receive from the CM current in the feeder to my OCF dipole.
> 
> 
> Any ideas/comments?
> 
> Hans - N2JFS
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