At 12:11 PM -0800 12/24/97, Jan & Del Seay wrote:
>Just a reminder that PVC usually is a poor rf insulator.
>To be sure of the quality of any plastic, cut a small
>piece off and put in a microwave for 3 minutes. If
>it is hot when removed, then it is no good for an
>insulator at rf frequencies.
The purpose of the PVC is not as an insulator, but simply to provide
mechanical crush-resistance to the boom. Leeson suggest either a 12"
length of wood or fiberglass dowling. PVC sounds like it might be an
acceptable substitute.
73, Dick
--
Dick Flanagan W6OLD CFII Minden, Nevada DM09db (South of Reno)
Visit http://www.qsl.net/w7di/
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