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Re: [TowerTalk] Weatherproof Remote Antenna Switch Box Plus

To: towertalk@contesting.com
Subject: Re: [TowerTalk] Weatherproof Remote Antenna Switch Box Plus
From: Patrick Greenlee <patrick_g@windstream.net>
Date: Fri, 8 Mar 2019 15:00:15 -0600
List-post: <mailto:towertalk@contesting.com>
The gland of a cable gland is a form of packing gland.  A cable gland for coax will have a relatively soft rubber insert through which the cable (coax or whatever)) is passed and then compressed to attain a weather tight seal.  A threaded portion of the fitting is screwed down to compress the soft rubber insert.

On 3/8/2019 2:27 PM, WW3S wrote:
Look for Altelix on eBay, has a good selection of weatherproof nema housings...

Sent from my iPad

On Mar 8, 2019, at 3:03 PM, jrquark via TowerTalk <towertalk@contesting.com> 
wrote:

Thank you for your reply.

I appreciate knowing the source and the term, ‘cable glands.’

The measurements were rough, but since the Ameritron Antenna Switch will reside 
in the box and both box and the switch will be attached to the 45G tower leg, I 
need some space to accomplish that.

James Forsman
jamesforsman@me.com
https://jrquark.smugmug.com/HamRadio



On Mar 8, 2019, at 2:49 PM, jimlux <jimlux@earthlink.net> wrote:

On 3/8/19 10:27 AM, jrquark via TowerTalk wrote:
G’day all;
After many years/decades of minimal amateur radio work, I finally have a tower with rotor and beam, dipole 
and vertical.  I finally installed a five position remote coax switch.  I would like to weatherproof the 
assembly by enclosing it in a weather tight case.  The case or enclosure could be found at the local big 
box store or electrical contractor’s supply store, which should measure; Width = 10”, Depth = 
9” and Height = 12”.
If you have a great suggestion for suppliers, please let me know.
What you are looking for is often called a "Hoffman box" (Hoffman is a major manufacturer 
of such things). Generically what you're looking for is probably a "raintight enclosure" 
(NEMA 3R).

They're available in plastic as well.
With or without a panel that mounts in the back (so you can assemble your stuff 
on the panel, and then it mounts on pressed or welded in standoffs inside the 
box.


Your sort of size is pretty common - it's used for things like Cable TV and 
such.  You might find something at L-com.com

http://www.l-com.com/nema-enclosures?cmp=LM1

9" might be deep for a 12x10 box




Plus:  I am at a loss for the weatherproof pass-throughs for the RFC 600 & RG 8 
coax.  Believe there was a distant discussion for such items.

There are a variety of ways to do this.. there's "cable glands" which provide a 
weather tight seal around a cable, but you probably won't get the coax connector through.

You could use bulkhead feedthroughs, connector on the inside, connector on the 
outside.  Or jumper cable with a jack on one end that mounts through the box 
wall and plug on the other end to connect to your relay.



Thank you for the suggestions.
Jim  - K7BIE - Somewhere now enjoying PureMichigan
James Forsman
jamesforsman@me.com
https://jrquark.smugmug.com/HamRadio
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