I would bet your coax shield is acting like a radial and bringing RF
back into the shack. Need a choke.
k4ia, Buck
K3s# 11497
Honor Roll 8B DXCC
EasyWayHamBooks.com
On 4/5/2020 5:33 PM, Carl Yaffey wrote:
No hum using a dummy load.
No hum using a dipole.
Hum only with my all band vertical.
Thanks for the suggestions.
73
K8NU
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