Tom's warning is expecially important for parasitic elements.
The voltages between the boom and an insulated yagi element can be elevate
or the currents involved when grounding it to the boom can be really
consisitent. I have seen even copper straps made with the RG58 shield
opened like a fuse.
In the other hand, the yagi fed element and the other devices with cables
(rotor, remote switches, etc.) running inside, or better if taped on a tower
leg, doesn't necessarily need to be grounded at the top, expecially if they
have been grounded at tower base as it's finally quite raccomandable.
73,
Mauri I4JMY
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