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[TowerTalk] Lightning prot. (& bases on slopes)

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Subject: [TowerTalk] Lightning prot. (& bases on slopes)
From: k0il@mitec.net" <k0il@mitec.net (Ed - K0iL)
Date: Fri, 30 Jul 1999 22:43:07 -0500
Greetings TTers:

I'm curious if anyone has heard of SADs or Silicon Avalanche Diodes? 
 They're supposedly better than MOVs (on power lines).  I rcvd info a while 
back from a company called Transtector who sells these devices but haven't 
had time to fully investigate them.  Is anyone using these in any AC 
protectors?  Are they really better, and if so why isn't everyone designing 
protectors using SADs?

On a more direct tower subject:  What are your collective thoughts on 
installing a tower base (for a freestanding tower -- an HDBX48) on sloped 
ground level of about 10 degrees?
A.  Do you just dig deeper (one foot deeper) so that on the uphill side 
it's 4.5' deep plus 6" above grade, and on the lower side goes as deep as 
the manufacturer's spec says to (3.5' + 18" above grade instead of just 
6")?
 -or-
B.  Can you split the difference so that high side is 6 inches deeper than 
spec (4' deep + 6" above) and low side is 6 inches short of it (3' deep + 
18" above)?

Tnx much.
73,
de ed -K0iL

On Thursday, 29 July, 1999 8:40 PM, SavageBR@aol.com 
[SMTP:SavageBR@aol.com] wrote:
> Be careful, the mainline protectors usually are not rated to protect to a 
> level that protects  electronics like computers. Additional surge 
protectors
> are usually required.


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