[Elecraft] FW: K3/KPA500/KAT500 SWR problem

[Don Wilhelm]

Hmmm,  An aluminum bar tied to a copper wire!  Be aware that there will 
be oxidation at the junction point due to dissimilar metals unless 
special bonding is used to slow (but not stop) the oxidation.

Just something to bear in mind.

73,
Don W3FPR
On 12/30/2013 3:23 PM, KD0Q-Glenn wrote:
> Everything in the shack is grounded to an aluminum bus bar across the 
> back of the operating table which is tied with #6 solid copper to the 
> same point as the tower and AC Main grounds.
>
> Just for reference, the antenna is a 260ft OCF Inverted Vee at 75 ft 
> using a Balun Designs #4115ocf 4:1/Choke combination balun. Coax 
> shield is grounded at the top and bottom of the tower.
>