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

[KD0Q-Glenn]

Good point Don!

That's why I use stainless steel hardware and ICE 602 copper/aluminum 
anti-oxidant paste.

Glenn - KD0Q

On 12/30/2013 14:29, Don Wilhelm wrote:
> 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.
>>
>
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