That's a weird one!
did you say you'd put ferite chokes on the cables? If not and you have
snap-on chokes about, might be worth a try.

Can't be a voltage issue or the 590 wouldn't work. Kinda has to be R.F.
"It says here!" <GRIN>

Tom WA6IVG

On Sun, Nov 01, 2015 at 10:33:06PM -0600, howard kaufman wrote:
> Okay boys and girls, rather than listen to the end of that disaster in
> Denver, I disconnected the ts-590 from the power supply.
> 
> The problem went away.  Now why and what to do?
> 
> The problem stayed with the 590 turned off, and was still there when I
> disconnected the power cord from the ts-590.
> 
> I had to physically disconnect the wires from the 590 for the problem to go
> away.
> 
> Head in hands, rench on floor.
> 
>  
> 
>  
> 
> Howard Kaufman MSW LCSW
> 
>