[RFI] Computer (maybe just USB subsystem) shutting down

[K9MA]

On 2/21/2024 10:03 AM, Pete Smith N4ZR wrote:
> I have a persistent problem with my computer (and N1MM Logger) 
> shutting down every couple of hours when I'm active on the air, 
> requiring a computer restart.  I run 1100-1500 watts on HF 160-10, and 
> have common mode chokes at the feedpoints of all three antennas.  The 
> antenna switch is at the base of my tower, and from there a single run 
> of Buryflex is shallowly buried on its way back to the shack, about 
> 150 feet.
>
> I'm wondering if it could be helpful, from an RFI perspective, to put 
> another common mode choke on that cable where it enters my house.

I doubt it. The path of least resistance is probably more toroids on the 
cables into the computer.

73,

-- 
Scott  K9MA

k9ma at sdellington.us