[TowerTalk] Window line and Balun

[Jim Brown]

On Mon, 26 Jan 2009 10:57:33 -0500, Tim Holmes wrote:

>the shack was instantly flooded with RF,

The fundamental cause of your "RF in the shack" is common mode 
current on the feedline. The cure for that is a good common mode 
choke. Unfortunately, it isn't practical to choke ladder line, you 
must wind the choke using coax on one or more ferrite cores. 

To understand this, study http://audiosystemsgroup.com/RFI-Ham.pdf  
and the Power Point presentation about Coaxial Chokes on 

http://audiosystemsgroup.com/publish 

73,

Jim Brown K9YC