[TowerTalk] CM Choke Cookbook

[Jim Brown]

On 9/22/2017 8:16 AM, David Needham wrote:
> I have made several full power CM chokes for 80m and 160 m using RG213 and
> Mix 31 toriods per your articles. Do the number of cores or turns count
> change if I use RG142 for lighter weight?

Dielectric and o.d. of the coax both affect resonance. I have no data 
for RG142, but I suggest that you start with the guidelines for RG59/RG8X.

73, Jim K9YC