I'd still go for epoxy. At HF, the dimensions aren't such that the RF field strength is likely to be a problem - it's all near field stuff. 73 Peter G3RZP -- FAQ on WWW: http://www.contesting.com/ampfaq.html Submissions: amps@contesting.com Administrative requests: amps-REQUEST@contesting.com Problems: owner-amps@contesting.com Search: http://www.contesting.com/km9p/search.htm