Topband: Rotator Potentiometer shunt fed twr

Jim Brown jim at audiosystemsgroup.com
Sun Aug 23 18:17:22 EDT 2020


On 8/23/2020 2:39 PM, Phil Duff wrote:
> Aren't most rotors and their masts normally grounded thru the rotor body 
> and mast clamp & mounting bolts to their tower/support?

Antenna current at the joint between the two pieces of the rotator is a 
common source of IMD, as first articulated by W3LPL (although he calls 
it something else).

73, Jim K9YC


More information about the Topband mailing list