[Elecraft] K3S-to-Computer Communication Failure

[Jim Brown]

On 2/14/2026 2:43 AM, Victor Rosenthal via Elecraft wrote:
> RF caused communication problems are quite common, especially with USB
> connections.
> A pretty conclusive test is to try it while transmitting into a dummy load.
> If it only fails with an antenna, then it's probably RF.

All these problems we blame on RF getting into our gear is the result of 
failure to do proper grounding and bonding.

There's a slide deck for a tutorial talk I've done at Visalia. 
Pacificon, and to multiple clubs

k9yc.com/publish.htm

73, Jim K9YC