Silver oxide unlike copper oxide remains a good conductor and does not need cleaned. The best use would be the high current areas around the top of the cavity and loops, also the sliding connection at the center conductor. I am paraphrasing this info from some old DB products literature I used to have. Chris N9LLO l
(http://groups.yahoo.com/;_ylc=X3oDMTJjanNjbTc1BF9TAzk3NDc2NTkwBGdycElkAzEwNDE2OARncnBzcElkAzE3MDUwNjMxMDgEc2VjA2Z0cgRzbGsDZ2ZwBHN0aW1lAzEyNzg5MDk1OTU- ) .
