[TowerTalk] Current Choke for Ladder Line

[Bry Carling]

From what I have read lately you can just put 6 or 8 of those snap on ferrite beads near the end of the coax.

That's what is inside most of those current chokes sold on the web for ten times the price.

Best regards - Brian Carling
AF4K Crystals Co.
117 Sterling Pine St.
Sanford, FL 32773

Tel: +USA 321-262-5471




> On May 12, 2015, at 2:01 PM, Hans Hammarquist via TowerTalk <towertalk at contesting.com> 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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