[RFI] USB rfi ; rig control--->solved....I think.

qrv at kd4e.com qrv at kd4e.com
Wed Nov 28 19:34:29 EST 2018


Did you wrap multiple turns of the #22 around the insulated cable, or 
wrap it around the bared-shield, or otherwise attach it somehow?

Then you drained the energy it tapped to ground?

Just trying to follow the methodology ...

Thanks, DavidC KD4E

> In this last ditch attempt, I took a super small wire (1 strand of a CAT5E
> cable, which would be what- AWG #22 maybe?) and tied it gingerly around the
> shield part of the USB cable that plugs into the laptop for the virtual com
> port giving me seemingly the worst issue compared to the other rig and then
> attached a beefier wire to that and ran it to my station ground.  In >2025
> QSO's this weekend at the 700-750w level on all bands I never lost that
> radio's USB connection to N1MM+ even once.
> 
> Mike VE9AA



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