[TenTec] Soldering oxidized circuit cards

[Charles P. Steinmetz]

Richards wrote:

>SO... WHAT DO I USE TO PREPARE A NEW CIRCUIT BOARD, SUCH AS FOUND IN 
>A TEN-TEC RADIO KIT?  It seems like the boards don't wanna take 
>solder so I figure they have oxidized just a bit in the package 
>before reaching my work bench.

The most painless way is dunk it in Tarn-X tarnish remover (available 
at many grocery stores):

http://www.jelmar.com/TarnXbasic.htm

Rinse very well and dry thoroughly.  An eraser also works, as do 
other tarnish removers/silver cleaners.

Best regards,

Charles