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Total 56 documents matching your query.

1. [TowerTalk] re: Rohn 45 (score: 1)
Author: jon.zaimes@dol.net (Jon Zaimes AA1K)
Date: Fri Jul 11 10:54:08 2003
Hi Byron, 1 -- Flat plate top with the TB3 is a nice way to go. For one it allows you to stand on the top flat plate to work on the mast/antennas. By all means add another rotor shelf below the top,
/archives//html/Towertalk/2003-07/msg00160.html (10,057 bytes)

2. [TowerTalk] Another tower death (score: 1)
Author: jon.zaimes@dol.net (jon.zaimes@dol.net)
Date: Wed Jul 16 20:33:06 2003
Worker dies from 450-foot radio tower fall
/archives//html/Towertalk/2003-07/msg00270.html (7,005 bytes)

3. [TowerTalk] Plumbing > Hardline -- simpler, cheaper way (score: 1)
Author: jon.zaimes@dol.net (Jon Zaimes AA1K)
Date: Thu Jul 17 20:05:33 2003
For 3/4 inch CATV hardline, I strip back the black jacket about 2 inches, carve out the foam dialectric to depth of about 3/4 -inch (easiest with a $25 coring tool), cut four slits in the aluminum sh
/archives//html/Towertalk/2003-07/msg00285.html (7,843 bytes)

4. [TowerTalk] Tic Ring (score: 1)
Author: jon.zaimes@dol.net (Jon Zaimes AA1K)
Date: Mon Jun 2 11:07:30 2003
Jim, I've had experience with two Tic Ring rotors. My own is a Model 1022 of 1993 vintage that was unused when I purchased it a year ago and installed on Rohn 45. It worked fine first time and ever s
/archives//html/Towertalk/2003-06/msg00042.html (7,387 bytes)

5. [TowerTalk] re: Ring Rotor location (score: 1)
Author: jon.zaimes@dol.net (Jon Zaimes AA1K)
Date: Mon Jun 16 10:58:45 2003
Jim, On my 98-ft. of Rohn 45, I have a 3-stack of 204BA, with the lower two fixed (30 and 65 feet), and a 1022 Ring Rotor at 83 feet, about 6 inches above the top set of guys, holding a Hy Gain Explo
/archives//html/Towertalk/2003-06/msg00214.html (7,418 bytes)

6. [TowerTalk] Glasstran guy failures (score: 1)
Author: jon.zaimes@dol.net (Jon Zaimes AA1K)
Date: Thu May 22 15:04:08 2003
I have been using three Glasstran guys on the upper set of 100 feet of Rohn 25. This is my 160-meter, series-fed tower which is lightly loaded at the top with small 6 meter, 2 meter and 1.25 meter an
/archives//html/Towertalk/2003-05/msg00320.html (7,372 bytes)

7. [Towertalk] Aircraft Cable (score: 1)
Author: jon.zaimes@dol.net (Jon Zaimes AA1K)
Date: Tue, 01 Oct 2002 08:46:44 -0400
I have seen the swage tools for clamping down on Nicopress sleeves for around $150-180 at marine supply centers such as Boat US and West Marine; this for the large hand tool (looks like bolt cutter)
/archives//html/Towertalk/2002-10/msg00012.html (8,798 bytes)

8. [Towertalk] phillystran 6700# (score: 1)
Author: jon.zaimes@dol.net (Jon Zaimes AA1K)
Date: Wed, 02 Oct 2002 11:02:59 -0400
Since there should usually be a short steel section (of 1/4 inch EHS) near the ground, just measure the tension there. 73/Jon AA1K
/archives//html/Towertalk/2002-10/msg00068.html (7,871 bytes)

9. [Towertalk] Need Ham IV Rotor Manual (score: 1)
Author: jon.zaimes@dol.net (Jon Zaimes AA1K)
Date: Mon, 07 Oct 2002 10:54:10 -0400
Hy-Gain has the newer Ham 4 manual available on its web site as a pdf file: http://www.hy-gain.com/hy-gain/man/pdf/HAM-IV.pdf Only difference is the new one has the 8-pin Jones plug instead of an 8-b
/archives//html/Towertalk/2002-10/msg00213.html (8,585 bytes)

10. [Towertalk] Towerbuilding 201 (score: 1)
Author: jon.zaimes@dol.net (Jon Zaimes AA1K)
Date: Wed, 04 Sep 2002 12:19:41 -0400
The Rohn TVRO specs allow for a 6 ft diameter satellite dish, 48.9 sq. ft projected area, in 70 mph wind load, on an 80-foot tower with 50% guying -- with 3 guys at just two places, 40 feet and 80 f
/archives//html/Towertalk/2002-09/msg00140.html (6,880 bytes)

11. [Towertalk] Hy-Gain Explorer 7-3, Ring Rotor questions (score: 1)
Author: jon.zaimes@dol.net (Jon Zaimes AA1K)
Date: Wed, 04 Sep 2002 12:36:27 -0400
One of my top boom support cables on a Hy-Gain Explorer 7-3 snapped. These four cables are attached on the director and reflector elements, 10 inches out from the center of the boom. The manual speci
/archives//html/Towertalk/2002-09/msg00141.html (8,148 bytes)

12. [Towertalk] Hy-Gain Explorer 7-3, Ring Rotor questions (score: 1)
Author: jon.zaimes@dol.net (Jon Zaimes AA1K)
Date: Wed, 04 Sep 2002 13:52:20 -0400
Hi John, Had thought about that, but the beam is already in place on the tower and I would have to dismantle it on the tower and lower to create a new boom splice (there are trees around which preven
/archives//html/Towertalk/2002-09/msg00143.html (10,785 bytes)

13. [Towertalk] Wooded Antenna Farm??? (score: 1)
Author: jon.zaimes@dol.net (Jon Zaimes AA1K)
Date: Thu, 05 Sep 2002 12:44:21 -0400
Ted, I have three 100-ft towers amidst woods of mixed hardwoods and pines that are 70-80 feet tall. One of these is a series-fed tower for 160 meters in a grove of 20 or so loblolly pines that are 45
/archives//html/Towertalk/2002-09/msg00188.html (8,397 bytes)

14. [Towertalk] Connectors for CATV hardline (score: 1)
Author: jon.zaimes@dol.net (Jon Zaimes AA1K)
Date: Fri, 06 Sep 2002 02:03:46 -0400
Buy a bunch of double-barrel female coax connectors. Buy a CATV coring tool for around $20-30. Buy a box of all-stainless hose clamps to fit the hardline. Use a knife to remove a couple of inches of
/archives//html/Towertalk/2002-09/msg00210.html (9,618 bytes)

15. [Towertalk] Tree Mounts (score: 1)
Author: jon.zaimes@dol.net (Jon Zaimes AA1K)
Date: Fri, 06 Sep 2002 22:17:51 -0400
Steve, How long does the tree last after topping? Won't that kill it? Do you install steps for future access for maintenance? How about using a Ring Rotor -- anyone tried this? I have lots of 80 ft.
/archives//html/Towertalk/2002-09/msg00250.html (11,044 bytes)

16. [Towertalk] More on tree antenna mounts (score: 1)
Author: jon.zaimes@dol.net (Jon Zaimes AA1K)
Date: Sat, 07 Sep 2002 00:28:02 -0400
I have a 5-element 10-meter yagi hung from a tall pine tree. It's not very high, just about 20 feet. I used a piece of 1/4 inch wire rope as a support cable. It goes up and over a limb and back down
/archives//html/Towertalk/2002-09/msg00255.html (8,595 bytes)

17. [Towertalk] More on tree antenna mounts (score: 1)
Author: jon.zaimes@dol.net (Jon Zaimes AA1K)
Date: Sat, 07 Sep 2002 13:35:42 -0400
Hi Mike, I think Richard had a couple of extra cables to stabilize things, going off diagonally or perpendicular to the main cable to other trees. Maybe the rotor wasn't inverted -- it's been a few y
/archives//html/Towertalk/2002-09/msg00270.html (9,567 bytes)

18. [Towertalk] screw in anchors (score: 1)
Author: jon.zaimes@dol.net (Jon Zaimes AA1K)
Date: Sun, 08 Sep 2002 13:08:13 -0400
To: <towertalk@contesting.com> of Rohn 25 to large hardwoods, perhaps 2 feet diameter. I wrapped several turns of EHS guy cable around the tree and secured with cable clamps. I used large nails to ke
/archives//html/Towertalk/2002-09/msg00286.html (13,664 bytes)

19. [Towertalk] screw in anchors (score: 1)
Author: jon.zaimes@dol.net (Jon Zaimes AA1K)
Date: Sun, 08 Sep 2002 13:07:54 -0400
Jerry, A long time ago in a call area not too far from Delaware, I guyed 70 feet of Rohn 25 to large hardwoods, perhaps 2 feet diameter. I wrapped several turns of EHS guy cable around the tree and s
/archives//html/Towertalk/2002-09/msg00287.html (12,751 bytes)

20. [Towertalk] Phillystran break strength vs. diameter? (score: 1)
Author: jon.zaimes@dol.net (Jon Zaimes AA1K)
Date: Thu, 12 Sep 2002 08:26:16 -0400
Scott, It may depend on the vintage of the Phillystran. I just measured some HPTG4000 (3/16" equiv., uses preforms for end termination; this is still new, on the reel) and some older 1/4" equivalent
/archives//html/Towertalk/2002-09/msg00399.html (10,338 bytes)


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