[TowerTalk] TowerTalk Digest, Vol 195, Issue 9

Wed Mar 6 12:46:25 EST 2019

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El 6 mar. 2019 12:00 p.m., <towertalk-request at contesting.com> escribió:

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Today's Topics:

   1. Re: WX Sensor Placement (Bob Shohet, KQ2M)
   2. Re: Securing vertical to concrete post? (Stan Stockton)
   3. Re: Securing vertical to concrete post? (jimlux)
   4. Re: Securing vertical to concrete post? (john at kk9a.com)
   5. Re: WX Sensor Placement (Don)
   6. Re: Interesting way to install Towers for Power lines
      (k7lxc at aol.com)

----------------------------------------------------------------------

Message: 1
Date: Wed, 6 Mar 2019 06:05:12 -0500
From: "Bob Shohet, KQ2M" <kq2m at kq2m.com>
To: <towertalk at contesting.com>, "Kim Elmore"
        <cw_de_n5op at sbcglobal.net>
Subject: Re: [TowerTalk] WX Sensor Placement
Message-ID: <FD0F0045FEB941A9806CAEFE979F5A69 at BOBWINPC1PC>
Content-Type: text/plain;       charset="UTF-8"

Tnx for posting this.

I like the Pilot?s WX forecasting stone.  :-)

73

Bob  KQ2M

From: Kim Elmore
Sent: Wednesday, March 06, 2019 12:37 AM
To: towertalk at contesting.com
Subject: Re: [TowerTalk] WX Sensor Placement

A good topic. The NWS recommendations are found here:
https://www.weather.gov/media/epz/mesonet/CWOP-Siting.pdf

Kim N5OP

-- 

Kim Elmore, Ph.D. (Adj. Assoc. Prof., OU School of Meteorology, CCM, PP
SEL/MEL/Glider, N5OP, 2nd Class Radiotelegraph, GROL)

/"In theory there is no difference between theory and practice. But, in
practice, there is." //? Attributed to many people; it?s so true that it
doesn?t matter who said it./

------------------------------

Message: 2
Date: Wed, 6 Mar 2019 06:57:27 -0500
From: Stan Stockton <wa5rtg at gmail.com>
To: Gary K9GS <garyk9gs at wi.rr.com>
Cc: "towertalk at contesting com" <towertalk at contesting.com>
Subject: Re: [TowerTalk] Securing vertical to concrete post?
Message-ID: <7ED2EAC4-FF59-465E-B2EF-D3CC3EB2CE2B at gmail.com>
Content-Type: text/plain;       charset=us-ascii

Gary,

My first thought would be to cut off whatever length you would need of 25G
tower, if it would fit over the post.  If it would not fit, I would somehow
shim 45G so it was tight after telescoping it over the concrete post.  If
you don't want steel you could use a section of Heights aluminum tower of
appropriate size.  You can then use standard hardware to attach whatever
you need across one of the faces of the tower.  If it is a single band
vertical you can elevate the base and use a couple of elevated radials
which will work well near the water.

73... Stan, ZF9CW

> On Mar 5, 2019, at 7:20 PM, Gary K9GS <garyk9gs at wi.rr.com> wrote:
>
> I'm looking for ideas for securing a large HF vertical to a concrete
post.The post is approximately 10" in diameter. It is also near saltwater
so corrosion is a concern.I've thought of using several large SS hose
clamps but even the widest ones I could find are 3/4". I'm looking for
something a little more robust. I do not want to drill into the concrete
out of concern for letting in moisture/saltwater. Any ideas?73,Gary K9GS
> _______________________________________________
>
>
>
> _______________________________________________
> TowerTalk mailing list
> TowerTalk at contesting.com
> http://lists.contesting.com/mailman/listinfo/towertalk

------------------------------

Message: 3
Date: Wed, 6 Mar 2019 05:48:20 -0800
From: jimlux <jimlux at earthlink.net>
To: towertalk at contesting.com
Subject: Re: [TowerTalk] Securing vertical to concrete post?
Message-ID: <e09e7604-7299-f4c6-1d38-08831ec75522 at earthlink.net>
Content-Type: text/plain; charset=utf-8; format=flowed

On 3/5/19 4:20 PM, Gary K9GS wrote:
> I'm looking for ideas for securing a large HF vertical to a concrete
post.The post is approximately 10" in diameter. It is also near saltwater
so corrosion is a concern.I've thought of using several large SS hose
clamps but even the widest ones I could find are 3/4". I'm looking for
something a little more robust.?I do not want to drill into the concrete
out of concern for letting in moisture/saltwater.?Any ideas?73,Gary K9GS

What you want is apparently called a "pole strap mount" or "pole band mount"

They're available in a variety of sizes and strengths and are used for
things like mounting signs and electrical equipment (and, now, 5G cell
stations) on power poles, light poles, and the like.  If it can hold up
a 15 kVA transformer, I think it can hold up your antenna.

Materials include aluminum, galvanized and stainless steel.

Here's an example:

https://www.hubbell.com/hubbellpowersystems/en/Products/Power-Utilities/Line-Construction-Hardware/Brackets/For-Transformers/Banded-Pole-Mount/BRACKET-TRANSFORMER/p/1644089

https://www.hubbell.com/hubbellpowersystems/en/Products/Power-Utilities/Line-Construction-Hardware/Brackets/For-Transformers/Banded-Pole-Mount/BRACKET-TRANSFORMER-BANDED-CLUSTER-ALUMINUM/p/1644071

------------------------------

Message: 4
Date: Wed, 06 Mar 2019 10:50:59 -0500
From: john at kk9a.com
To: towertalk at contesting.com
Subject: Re: [TowerTalk] Securing vertical to concrete post?
Message-ID: <559fb788bf1957f3e29747922ccd8f5d at kk9a.com>
Content-Type: text/plain; charset=US-ASCII; format=flowed

Jim has a great idea but it may be more heavy duty than K9GS needs.
Searching using his suggested terms show a lot of pole brackets but most
used worm gear hose clamps and are for signs or cameras. I just thought
of a place that I worked at in Illinois decades ago that made large
mounting brackets.
http://www.mercprod.com/products/mounting_brackets.htm

John KK9A/4

JIM LUX wrote:
-------------------------

On 3/5/19 4:20 PM, Gary K9GS wrote:
> I'm looking for ideas for securing a large HF vertical to a concrete
> post.The post is approximately 10" in diameter. It is also near
> saltwater so corrosion is a concern.I've thought of using several large
> SS hose clamps but even the widest ones I could find are 3/4". I'm
> looking for something a little more robust. I do not want to drill into
> the concrete out of concern for letting in moisture/saltwater. Any
> ideas?73,Gary K9GS

What you want is apparently called a "pole strap mount" or "pole band
mount"

They're available in a variety of sizes and strengths and are used for
things like mounting signs and electrical equipment (and, now, 5G cell
stations) on power poles, light poles, and the like.  If it can hold up
a 15 kVA transformer, I think it can hold up your antenna.

Materials include aluminum, galvanized and stainless steel.

Here's an example:

https://www.hubbell.com/hubbellpowersystems/en/Products/Power-Utilities/Line-Construction-Hardware/Brackets/For-Transformers/Banded-Pole-Mount/BRACKET-TRANSFORMER/p/1644089

https://www.hubbell.com/hubbellpowersystems/en/Products/Power-Utilities/Line-Construction-Hardware/Brackets/For-Transformers/Banded-Pole-Mount/BRACKET-TRANSFORMER-BANDED-CLUSTER-ALUMINUM/p/1644071

------------------------------

Message: 5
Date: Wed, 6 Mar 2019 08:11:44 -0800
From: Don <w7wll at arrl.net>
To: towertalk at contesting.com
Subject: Re: [TowerTalk] WX Sensor Placement
Message-ID: <45cfbf0c-271d-d01d-63ad-144cb418d37e at arrl.net>
Content-Type: text/plain; charset=utf-8; format=flowed

Heck of a great read and clear siting guide for the amateur wx observer.
Even with the CWOP and other stuff i receive I'd never seen that nice
synopsis.

Thanks for sharing Kim. I'm real close but see my temp/humidity array
could be moved a bit.

Don W7WLL (AS531)

(Like others still want to know the wind speed and direction way up at
tower top too.)

On 3/5/2019 9:37 PM, Kim Elmore wrote:
> A good topic. The NWS recommendations are found here:
> https://www.weather.gov/media/epz/mesonet/CWOP-Siting.pdf
>
> Kim N5OP
>
>

------------------------------

Message: 6
Date: Wed, 6 Mar 2019 16:55:51 +0000 (UTC)
From: k7lxc at aol.com
To: towertalk at contesting.com
Subject: Re: [TowerTalk] Interesting way to install Towers for Power
        lines
Message-ID: <1645266056.400715.1551891351789 at mail.yahoo.com>
Content-Type: text/plain; charset=UTF-8

>??Wonder how they would do on a Rohn tower?
>??See https://www.youtube.com/watch?v=Z2BeFK6nqMA&feature=share
? ? Ha ha. Pretty interesting and quite a system. The thing that stood out
to me was that there was NO ONE on the towers to receive the new sections.
Ordinarily you'd have a person or two to line up the bolt holes and then
throw a couple in to secure it. The way they do it, the crew has to climb
to the junction and then bolt it down while the upper thousands of pounds
of tower is just sitting there. They obviously don't do this when there's
any wind.
? ? I've done a couple of helicopter jobs myself and they're pretty
interesting. First you need some sort of grounding stick to discharge the
large static charge that's built up by all of that wind rushing by it. Once
it's safe to grab, then you just pull/push the tower to where you want it.
Since the chopper and load are in equilibrium, it only takes about 10
pounds of pressure to move it where you want. Pretty straightforward but
WAY exciting!
Cheers,Steve? ? ?K7LXCTOWER TECH -Professional tower services for
commercial and amateurCell: 206-890-4188

------------------------------

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End of TowerTalk Digest, Vol 195, Issue 9
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