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Poor Form? (fwd)





---------- Forwarded message ----------
Date: Thu, 12 Feb 1998 11:07:30 +0000
From: "Gregory R. Hunter" <ghunter-at-mail.enterprise-dot-net>
To: Tesla List <tesla-at-pupman-dot-com>
Subject: Poor Form?

Dear Folks,

Thanks for answering my query about sonotube.  I've seen it before
at construction sites, I just didn't know it was called "sonotube".

One writer has suggested that this may be a poor choice of coil
form. Is cardboard tube lossy or something?  For low RF losses, I
would think well-sealed cardboard would be nearly as good as air, and
superior to PVC.

Greg

Dreaming of Megavolts in East Anglia, UK