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References: [ +from:dhearn@air-pipe.com: 111 ]

Total 111 documents matching your query.

61. Re: [TowerTalk] Swedging (score: 1)
Author: "Dan Hearn" <dhearn@air-pipe.com>
Date: Sun, 28 Oct 2007 17:22:56 -0700
Dan, if your swedging scheme does not work out you can buy tubing from Texas Towers in 1/8 inch steps from 2 inch down. It has .052 wall so makes excellent short bushings to use at each joint. I usua
/archives//html/Towertalk/2007-10/msg00804.html (8,877 bytes)

62. Re: [TowerTalk] Cable Treatment Suggestions (score: 1)
Author: "Dan Hearn" <dhearn@air-pipe.com>
Date: Sun, 18 Nov 2007 07:48:10 -0800
Bob, when I moved to a home with a 4 acre plot the previous owner left an old Sears riding mower. It was unusual in that it had a lever on the side which raised and lowered a plow head ( I think they
/archives//html/Towertalk/2007-11/msg00377.html (13,958 bytes)

63. Re: [TowerTalk] Cable Treatment Suggestions (score: 1)
Author: "Dan Hearn" <dhearn@air-pipe.com>
Date: Sun, 18 Nov 2007 08:00:04 -0800
I recall that many years ago someone in one of the ham magazines showed a radial planting device which was mounted to a low platform with wheels that could be towed like a trailer. He used one of his
/archives//html/Towertalk/2007-11/msg00378.html (13,219 bytes)

64. Re: [TowerTalk] 40 Meter Vertical (score: 1)
Author: "Dan Hearn" <dhearn@air-pipe.com>
Date: Sat, 1 Dec 2007 08:36:59 -0800
Paul, pick up a Hytower and you get a good antenna for both 40 and 80. It is not great on the higher bands. 2 used ones sold here this year for $250 each. 73, Dan, N5AR I am looking for a design for
/archives//html/Towertalk/2007-12/msg00007.html (8,427 bytes)

65. Re: [TowerTalk] Gamma fixing (score: 1)
Author: "Dan Hearn" <dhearn@air-pipe.com>
Date: Sat, 1 Dec 2007 11:20:20 -0800
I use a small piece of nylon cord about 1/8 inch diameter. Take several half hitches around the cable a few inches apart. Put several black tywraps around the cable between the half hitches. Tape ove
/archives//html/Towertalk/2007-12/msg00017.html (8,715 bytes)

66. Re: [TowerTalk] Irrigation pipe vertical (score: 1)
Author: "Dan Hearn" <dhearn@air-pipe.com>
Date: Sat, 1 Dec 2007 11:33:08 -0800
I have made some bushings by cutting hacksaw slots lengthwise on short pieces of tubing and squeezing it together to insert. I picked up a beam from the estate of W7BUD which had a piece of 3 inch ir
/archives//html/Towertalk/2007-12/msg00018.html (10,784 bytes)

67. Re: [TowerTalk] radial connections (score: 1)
Author: "Dan Hearn" <dhearn@air-pipe.com>
Date: Sun, 2 Dec 2007 08:16:42 -0800
Larry, what is the shield of your coax connected to? A ground rod at the vertical base?. Are the radials bare or insulated wire? 73, Dan, N5AR I just got done installing a new inv-L for 160, right ne
/archives//html/Towertalk/2007-12/msg00028.html (7,853 bytes)

68. Re: [TowerTalk] radial connections (score: 1)
Author: "Dan Hearn" <dhearn@air-pipe.com>
Date: Sun, 2 Dec 2007 13:31:05 -0800
I assume that there is a ground rod at the Hytower connected to the end of its radial system and its coax shield. If not I would put one in. The current induced into the old ground radials by your in
/archives//html/Towertalk/2007-12/msg00037.html (9,758 bytes)

69. [TowerTalk] Pipe Cutters (score: 1)
Author: "Dan Hearn" <dhearn@air-pipe.com>
Date: Fri, 7 Dec 2007 19:17:23 -0800
As a plumbers son who used a pipe cutter many times as a kid, I can tell you that they cause a significant reduction in OD and ID at the cut off point which is not easy to remove. The pipe cutter was
/archives//html/Towertalk/2007-12/msg00134.html (7,524 bytes)

70. Re: [TowerTalk] Aluminum tubing over 2" (score: 1)
Author: "Dan Hearn" <dhearn@air-pipe.com>
Date: Sun, 13 Jan 2008 16:12:04 -0800
Dan, I have had good success splicing booms by using inside tubing which has been slit lengthwise. I use a piece of the boom material, squeeze it together and drive it into the ID with a wood block a
/archives//html/Towertalk/2008-01/msg00263.html (8,494 bytes)

71. Re: [TowerTalk] 80 meter antenna comparison (score: 1)
Author: "Dan Hearn" <dhearn@air-pipe.com>
Date: Tue, 29 Jan 2008 18:53:25 -0800
It is 105 ft. See Photos and the one of the tower base. 73, Dan, N5AR --Original Message-- From: towertalk-bounces@contesting.com [mailto:towertalk-bounces@contesting.com]On Behalf Of n8de@thepoint.n
/archives//html/Towertalk/2008-01/msg00554.html (11,307 bytes)

72. [TowerTalk] Free tower and beam (score: 1)
Author: "Dan Hearn" <dhearn@air-pipe.com>
Date: Thu, 7 Feb 2008 12:00:00 -0800
My friend Marv, W6FR, is willing to give his 60 ft Rhone 40 (not R45) tower, 20m wide spaced yagi, and motor driven trolley system to any one who will remove it. The prop pitch rotator and winch moto
/archives//html/Towertalk/2008-02/msg00081.html (7,041 bytes)

73. Re: [TowerTalk] New Tower (score: 1)
Author: "Dan Hearn" <dhearn@air-pipe.com>
Date: Mon, 18 Feb 2008 21:30:24 -0800
Jeff, I saw an tower like yours at K6UA(recently SK) As I recall it did have rods guying the bottom section and the rest was self supporting. Only tower I have ever seen like that. 73, Dan, N5AR Well
/archives//html/Towertalk/2008-02/msg00225.html (9,099 bytes)

74. Re: [TowerTalk] Bent Sloper (score: 1)
Author: "Dan Hearn" <dhearn@air-pipe.com>
Date: Sat, 23 Feb 2008 18:15:29 -0800
I believe the antenna you are talking about looks like this. The top and bottom ends of the dipole attach to the tower and the middle , where the feed line attaches, is pulled out away from the tower
/archives//html/Towertalk/2008-02/msg00287.html (9,407 bytes)

75. [TowerTalk] Bird Stuff and more (score: 1)
Author: "Dan Hearn" <dhearn@air-pipe.com>
Date: Fri, 29 Feb 2008 10:59:15 -0800
I will be at the Puyallup hamfest Mar 8 with lots of goodies for sale. Most are from Collins and TI bid sales when I lived in Dallas. I am working on pricing now but here is a preview. 1. Rare Bird d
/archives//html/Towertalk/2008-02/msg00414.html (7,315 bytes)

76. [Amps] Bird Stuff and More Update (score: 1)
Author: "Dan Hearn" <dhearn@air-pipe.com>
Date: Wed, 5 Mar 2008 16:43:20 -0800
Pricing determined after checking Ebay, QRZ.com, Fair Radio Sales, MGS4U, Amps postings, Eham.net, Surplus Sales Nebraska (outrageous pricing, Hi), RF Parts, Henry radio store on Ebay, MFJ amp parts,
/archives//html/Towertalk/2008-03/msg00062.html (8,135 bytes)

77. [TowerTalk] 30m/40m Yagi Ideas? (score: 1)
Author: "Dan Hearn" <dhearn@air-pipe.com>
Date: Wed, 12 Mar 2008 12:06:19 -0700
I am in the process of building a 2 element 2 band yagi for 30/40m. It will use some 20m elements, which I have, extended to full size on 30m. The elements will be coil loaded for 40m and the coils w
/archives//html/Towertalk/2008-03/msg00193.html (8,876 bytes)

78. [TowerTalk] Free tower and More (score: 1)
Author: "Dan Hearn" <dhearn@air-pipe.com>
Date: Thu, 13 Mar 2008 11:01:50 -0700
Could anyone use a 60 foot Rohn 40G tower in good shape that is free for taking it down? This is fairly heavy-duty galvanized steel triangular tower that is 18 inches on a side and 18 inches between
/archives//html/Towertalk/2008-03/msg00211.html (7,855 bytes)

79. Re: [TowerTalk] plans for homebrew remote coax switch (score: 1)
Author: "Dan Hearn" <dhearn@air-pipe.com>
Date: Fri, 14 Mar 2008 16:59:01 -0700
I don't see it in my June 2006 QST??? Dan, N5AR There was an article in QST for June 2006 on a 3-position remote coax switch by K5DVW. Pretty good article... WB2WIK/6 Anyone know which handbook, if a
/archives//html/Towertalk/2008-03/msg00233.html (9,325 bytes)

80. Re: [TowerTalk] plans for homebrew remote coax switch (score: 1)
Author: "Dan Hearn" <dhearn@air-pipe.com>
Date: Fri, 14 Mar 2008 21:05:15 -0700
I think you are right Bob. The referenced article in July 2006 ( and another in July 2004) QST are both for 100w level use and would never work for legal limit use over 1.8 to 30mhz. The RCS-4 is qui
/archives//html/Towertalk/2008-03/msg00241.html (10,031 bytes)

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