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References: [ +from:kt3rr@verizon.net: 13 ]

Total 13 documents matching your query.

1. [TowerTalk] homebrew radial ring (score: 1)
Author: Bob Matthews <kt3rr@verizon.net>
Date: Mon, 10 Jan 2011 15:49:46 -0800 (PST)
I use bent aluminum rims from auto body shops. I ask at local body shops if they have a bent al. rim they would care to donate to a good cause (Ham Radio) and usually get them for free once I tell th
/archives//html/Towertalk/2011-01/msg00180.html (6,713 bytes)

2. Re: [TowerTalk] Noisy US Tower HDX572mdpl (score: 1)
Author: Bob Matthews <kt3rr@verizon.net>
Date: Mon, 3 Dec 2012 06:26:34 -0800 (PST)
It sounds like a piece of the cross bracing may be slightly bent and engaging against the other section as it travels up. In the last few months as the tower reaches 65 feet or so it starts to make a
/archives//html/Towertalk/2012-12/msg00011.html (8,669 bytes)

3. Re: [TowerTalk] 6 mtr quad (score: 1)
Author: Bob Matthews <kt3rr@verizon.net>
Date: Tue, 30 Aug 2016 00:54:46 +0000 (UTC)
I found a website that had plans for a 9 element yagi. ZS2FM 50Mhz Antenna And Preamp PREAMPLIFIER BY MIKE BOSCH ZS2FM ** First published in Radio ZS, April/May 1985 ** | I don't believe that buildin
/archives//html/Towertalk/2016-08/msg00360.html (12,095 bytes)

4. Re: [TowerTalk] lightning protection at towers and bunkers on former AT&T microwave relay sites (score: 1)
Author: Bob Matthews <kt3rr@verizon.net>
Date: Thu, 18 May 2017 00:10:17 +0000 (UTC)
Not from AT&T but worth watching. Lightning Protection Systems. https://www.youtube.com/watch?v=JYILAHIx2lk From: "David J "Dave" Windisch" <davidjw1@fioptics.com> To: towertalk@contesting.com Sent:
/archives//html/Towertalk/2017-05/msg00151.html (8,962 bytes)

5. Re: [TowerTalk] lightning protection at towers and bunkers on former AT&T microwave relay sites (score: 1)
Author: Bob Matthews <kt3rr@verizon.net>
Date: Thu, 18 May 2017 21:55:28 +0000 (UTC)
Yes I have used the grounding and bonding method for years on my station in Baltimore. I took a direct hit once, blew the antenna to pieces but all the grounded equipment on the single point ground w
/archives//html/Towertalk/2017-05/msg00158.html (11,695 bytes)

6. [TowerTalk] Walking Down Crank-Up (score: 1)
Author: Bob Matthews <kt3rr@verizon.net>
Date: Fri, 13 Oct 2017 23:44:33 +0000 (UTC)
Hello All, I have a Hygain 52SS crank-up tower on a hinged base. Has anyone on here tried to walk a tower down this size? It's 22 feet nested. Weighs about 400 lbs I believe. Wondering how many men i
/archives//html/Towertalk/2017-10/msg00189.html (7,049 bytes)

7. Re: [TowerTalk] Walking Down Crank-Up (score: 1)
Author: Bob Matthews <kt3rr@verizon.net>
Date: Sat, 14 Oct 2017 23:44:20 +0000 (UTC)
Thanks everyone for you responses and ideas. It gives me a great deal to think about here in the next couple weeks before the tower comes down. Your ideas also brought to mind a Sumner R250 Roustabou
/archives//html/Towertalk/2017-10/msg00222.html (12,552 bytes)

8. Re: [TowerTalk] Adding Expanding Foam inside boom (score: 1)
Author: Bob Matthews <kt3rr@verizon.net>
Date: Thu, 26 Apr 2018 15:19:44 -0400
I used a 2 part foam many years ago on a 30 ft 10 meter Yagi boom. It made the boom quite rigid and strong. The materials I used were industrial marine grade so they would not absorb water. Ive seen
/archives//html/Towertalk/2018-04/msg00289.html (12,313 bytes)

9. Re: [TowerTalk] Replacing station ground (score: 1)
Author: Bob Matthews <kt3rr@verizon.net>
Date: Wed, 30 May 2018 15:38:49 -0400
Hi Bob You may want to download the Motorola R56 pdf file online. Also QRZ dot com has a 3 part forum on station grounding hosted by a PE who installs and inspects cell tower sites. Both are a very i
/archives//html/Towertalk/2018-05/msg00216.html (14,841 bytes)

10. Re: [TowerTalk] Replacing station ground J-cord connectors (score: 1)
Author: Bob Matthews <kt3rr@verizon.net>
Date: Tue, 5 Jun 2018 17:13:34 -0400
J-Cord connectors are AKA Strain Relief Connectors. They are used for bringing rubber insulated multi-wire cables into fixtures, panels and boxes out doors. They have a swaged rubber grommet that pul
/archives//html/Towertalk/2018-06/msg00018.html (7,696 bytes)

11. Re: [TowerTalk] Solid 160 radial plates? (score: 1)
Author: Bob Matthews <kt3rr@verizon.net>
Date: Fri, 24 Aug 2018 12:13:35 -0400
I check out the near by body shops for bent aluminum wheels. They make a great secure base for attaching radials. Bob. KT3RR Sent from my iPhone _______________________________________________ ______
/archives//html/Towertalk/2018-08/msg00200.html (9,208 bytes)

12. Re: [TowerTalk] Quad elements no rain static. (score: 1)
Author: Bob Matthews <kt3rr@verizon.net>
Date: Wed, 5 Dec 2018 16:21:19 -0500
Years ago I had a 10 meter dc grounded Yagi with gamma match. That antenna did have rain static. So I feel the mention of dc ground has no bearing. Bob KT3RR Sent from my iPhone _____________________
/archives//html/Towertalk/2018-12/msg00100.html (9,471 bytes)

13. Re: [TowerTalk] Why aren't these universal angle iron brackets designed right? (score: 1)
Author: Bob Matthews <kt3rr@verizon.net>
Date: Thu, 3 Jan 2019 09:32:21 -0500
Most of the brackets and clamps at H/D & Lowes are designed around a Kindorf platform. They sell two different sizes of Kindorf as well as the brackets, clamps etc usually in the electrical departmen
/archives//html/Towertalk/2019-01/msg00021.html (10,260 bytes)


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