Topband: T Vertical feed

[Jim Brown]

On 1/27/2012 8:40 AM, Charles Moizeau wrote:
> I am willing to insert a common-mode choke, but don't know what to measure beforehand to learn if one is needed.

There is NO DOWNSIDE to using a good common mode choke other than cost 
and weight, and as W4TV has noted, there are downsides to NOT using one.

As it turns out, there was a typo in the link I posted to my RFI 
tutorial, which includes Cookbook guidelines for winding effective 
ferrite chokes.  The correct link is    
http://audiosystemsgroup.com/RFI-Ham.pdf

73, Jim K9YC