Eric Lemmon wrote:
> I know that Polyphaser is a popular name in "lightning arrestors" but I
> wondered why I never saw that brand being used at a cellular telephone site.
> The brand I did see at most cellular and commercial sites was Huber +
> Suhner. So, I bought one of each brand, both of them specified as a
> bulkhead mount for 150 MHz and 100 watts. The Polyphaser unit was about $70
> and the Huber + Suhner unit was about $125 with the proper gas capsule.
Well, that would be why the polyphaser is more popular-it's half the
price and still does the job. At least for most people ;c)
> Finally, I completely agree with several other posters who mentioned that a
> lightning arrestor on the feedline is only a small part of a
> properly-engineered lightning protection system. The tower itself should
> have a very robust grounding system, which should be solidly bonded to the
> building electrical and communication system grounds. Both the electrical
> supply and the communication (telephone) circuits should have surge
> protection. One of the most authoritative references for the best practices
> in this regard is the Motorola R56 Manual, also known as "Standards and
> Guidelines for Communication Sites." The printed version, which comes in a
> nice binder, is 6881089E50 for about $85. The CD-ROM version is 9880384V83
> for about $64.
>
> 73, Eric Lemmon WB6FLY
ABSOLUTELY!!!
BTW, the part number for the M/A-Com version is: AE/LZT 123 4618/1.
--
Jim Barbour
WD8CHL
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