Re: [WISPA] Mounting on silosOne way to handle that (I often do this because
I'm very afraid of heights) is to mount the antennas at the top then run good
cable down to a nice play for the radios.
LMR 600 only looses 3 or 4 dB per hundred feet. For runs of less than 50ish
feet I'll usually just use LMR 400. If 3 dB of cable loss kills your system
you'll be fighting it every time something changes (heavy rain, fog etc.)
anyway. Yeah I know weather isn't supposed to affect these bands but someone
forgot to tell the radios that :-).
marlon
----- Original Message -----
From: Justin Wilson
To: WISPA General List
Sent: Friday, July 16, 2010 7:31 AM
Subject: Re: [WISPA] Mounting on silos
Most silos like scott is dealing with have no ladder going to the very
top. Imagine a domed water tower with no ladder to the top of the dome. They
never were designed to have to climb to the top. No reason to. So what you
are left with is a ladder that goes to where the dome starts. You then have
another 10 feet or more to be able to get over the top of the dome. In
otherwords, you can't mount at the top of the dome. You have to come up with a
solution to get you over the dome.
Sure, you could bring in a lift or crane and mount stuff. However,
maintenance and repair become the issue. You have to bring that lift in each
time because you can't climb to the top of the dome.
Justin
--
Justin Wilson <j...@mtin.net>
http://www.mtin.net/blog
Wisp Consulting - Tower Climbing - Network Support
------------------------------------------------------------------------------
From: Josh Luthman <j...@imaginenetworksllc.com>
Reply-To: WISPA General List <wireless@wispa.org>
Date: Fri, 16 Jul 2010 10:15:17 -0400
To: WISPA General List <wireless@wispa.org>
Subject: Re: [WISPA] Mounting on silos
How is that any different then any other tower? Especially a water tower.
Josh Luthman
Office: 937-552-2340
Direct: 937-552-2343
1100 Wayne St
Suite 1337
Troy, OH 45373
On Fri, Jul 16, 2010 at 10:13 AM, Scott Reed <scottr...@onlyinternet.net>
wrote:
Especially the one with an open ladder, no cage.
Kurt Fankhauser wrote:
> Some of them old silo's like you are describing are pretty scary. I've
been
> on them too and seen a lot of safety issues from the fall protection cage
> being rusted through and falling, to the top cap trying to fall off. Just
be
> careful climbing those things!
>
> Kurt Fankhauser
> WAVELINC
> P.O. Box 126
> Bucyrus, OH 44820
> 419-562-6405
> www.wavelinc.com <http://www.wavelinc.com>
>
>
> -----Original Message-----
> From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] On
> Behalf Of Scott Reed
> Sent: Friday, July 16, 2010 7:56 AM
> To: WISPA General List
> Subject: [WISPA] Mounting on silos
>
> I have a couple of POPs that are silos. Several of them are old
> concrete silos with metal domes. The top of the dome is more than 10'
> above the top of the concrete. I have been mounting with 10' pipe on
> the ladder side and not servicing customers on the "back" side. It has
> also worked out that the backhauls are on the ladder side as well.
> This year the trees seem to be growing a lot more leaves than in the
> past. I have a couple of silos that I need to get the backhaul higher
> than the 10' mast will allow. If I can get above the dome, I could
> also increase the covereage area.
> So, the question is, for those of you using silos, how to you get above
> the dome?
>
>
--
Scott Reed
Sr. Systems Engineer
GAB Midwest
1-800-363-1544 x2241
1-260-827-2241
Cell: 260-273-7239
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