[Elecraft] KX3 radio settings for WSJT-X

[Jim Brown]

On 8/27/2020 10:39 AM, Mike Flowers wrote:
> Sometimes, a line or cable is just the right fraction of a specific wavelength to act as an efficient antenna, and RF will find it's way in.

These issues are often prevented simply by practicing the proper bonding 
within the station, providing a counterpoise for any end-fed antennas 
(verticals, random wires), and using an effective ferrite choke at all 
antenna feedpoints. The feedpoint is where the feedline connects to the 
antenna (up in the air, or at the end of the end-fed wire). Without this 
choke, your feedline, and everything it is connected to, including stuff 
in your shack and AC wiring, is carrying antenna current.

Note that non-resonant antennas, especially those fed with 2-wire line, 
cannot be effectively choked.

Effective chokes you can build are here.
http://k9yc.com/2018Cookbook.pdf

Do NOT be a sucker for commercially made chokes, including those from 
Balun Designs, Palomar, and most other ham vendors. They won't blow up, 
mainly because they aren't doing anything useful.

73, Jim K9YC