[TowerTalk] Coax choice for crank-up - looking for TT experience/recommendations

Keith Dutson kdutson at sbcglobal.net
Mon Jul 10 22:11:35 EDT 2017

I have a friend who is a ham, and works for a company that maintains cell tower cables and equipment.  He says they waterproof hardline connections.  I wonder how long it lasts.

73, Keith NM5G

-----Original Message-----
From: TowerTalk [mailto:towertalk-bounces at contesting.com] On Behalf Of Steve Maki
Sent: Monday, July 10, 2017 6:07 PM
To: towertalk <towertalk at contesting.com>
Subject: Re: [TowerTalk] Coax choice for crank-up - looking for TT experience/recommendations

On 7/10/2017 17:40 PM, David Aslin G3WGN wrote:

> Thanks for the input Mike.
> My experience with FSJ4-50B is not positive.  I’ve nicknamed it the ‘firehose’ as a result of its ability to take on water and have > it track down the coax.

Almost any coax will take "take on" water to some extent if you give it a chance. The only exception that I've found is smooth wall hardline, where the closed cell dielectric is *bonded* to both the smooth shield and the smooth center conductor.

Any other style, be it corrugated hardline, braided coax, semi air line, whatever, will be ruined if you don't weatherproof the connectorized ends.

Apparently there are some folks who don't believe it's possible to weatherproof connectors. That is a totally false belief.

-Steve K8LX


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