[TowerTalk] Polyphaser question

[Barry Kutner]

I do have my coax shields grounded at the base of the tower. I'd 
rather have as much discharge as possible 100+ ft from the house 
at the tower base, rather than right at the house.
73 Barry

On 25 Jan 00, Dave D'Epagnier wrote:

> 
> 
> 
> ----------
> From:  Dave D'Epagnier
> Sent:  Tuesday, January 25, 2000 9:42 AM
> To:  'Mike O'Brien'
> Subject:  RE: [TowerTalk] Polyphaser question
> 
> Mike, don't worry about grounding the coax to the bottom of the tower. You
> will essentially achieve the same level of protection by grounding it at the
> entrance panel since (I assume) the entrance panel single point ground is
> connected to the tower about 3' away. Also, I don't think the shield
> isolated surge protector is necessary, but it won't hurt. If your single
> point ground is a good one it shouldn't be needed.
> 
> Good luck
> 
> --Dave
> K0QE
> 
> 	----------
> 	From:  Mike O'Brien [SMTP:k0myw@worldnet.att.net]
> <mailto:[SMTP:k0myw@worldnet.att.net]> 
> 	Sent:  Tuesday, January 25, 2000 9:26 AM
> 	To:  towertalk@contesting.com <mailto:towertalk@contesting.com> 
> 	Subject:  [TowerTalk] Polyphaser question
> 
> 
> 	I've privately queried a couple of knowledgeable folk with the
> 	following question but received no reply. Either it's a dumb
> question
> 	not worth answering, or I've stumped 'em. Stubbornly, I'll now ask
> the
> 	group...
> 	        I'm in the process of establishing a single-point grounding
> 	panel for a tower located only about three feet from the foundation
> of
> 	my shack. I'd planned to use the usual variety of Polyphaser coax
> 	protector, such as the IS-B50HU-C0.
> 	        But I've noticed that Polyphaser also offers a variety that,
> in
> 	addition to blocking surges on the center conductor, also is said to
> 	divert surges from the coax shield. The model I'm looking at is
> 	IS-IE50HU-C0.
> 	        I'm wondering if these fancier protectors would do away with
> the
> 	need to ground the coax shield at the base of my tower only a couple
> of
> 	feet away.
> 	        Yes, I realize these protectors are twice the cost of the
> more
> 	familiar models. But the prospect of not having to hack into the
> coax
> 	for shield-grounding purposes at the tower base is appealing.
> 	        Suggestions and opinions appreciated...
> 
> 	        73, Mike, K0MYW
> 
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--
Barry Kutner, W2UP              Internet: w2up@mindspring.com
Newtown, PA         FRC         alternate: barry@w2up.wells.com

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