[BC] FW: [Tech-Assist] Harris SX-1 Spur Problem -- Brass vs frequency

[WFIFeng@aol.com]

In a message dated 11/30/2005 04:50:12 PM Eastern Standard Time, 
looey323 at yahoo.com writes:

>   Only possible thing I can think of is that the surface effect at VHF is 
> such as to put the current flow into the tarnish area on brass, if is is 
> tarnished, and causing high losses in the tarnish.  May be why so much is 
> silver plated, tho I have seen a lot of tarnished silver running along just 
> fine.
> 

Silver oxide is nearly as conductive as silver. The tarnish won't make much 
difference in current flow since it's resistance is very low. That's why so 
much high current & RF connections are silver-plated.

Willie...