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Total 144 documents matching your query.

61. [TowerTalk] AB105 (score: 1)
Author: donovanf@sgate.com (Frank Donovan)
Date: Tue, 6 May 1997 06:03:49 -0400 (EDT)
Ed, Congratulations on your find! You have secured one of the most desirable towers for amateur use. I have seven AB-105 towers installed, and four of them are 200 feet tall. If you would like to vis
/archives//html/Towertalk/1997-05/msg00145.html (7,964 bytes)

62. [TowerTalk] Backstays (score: 1)
Author: donovanf@sgate.com (Frank Donovan)
Date: Tue, 6 May 1997 22:54:02 -0400 (EDT)
Fred - I use Phillystran with Preformed Line Products grips for all of my boom backstays, and I highly recommend that approach. 73 Frank W3LPL donovanf@sgate.com -- FAQ on WWW: http://www.contesting.
/archives//html/Towertalk/1997-05/msg00175.html (8,167 bytes)

63. [TowerTalk] K Factor for Tailtwister Rotor (score: 1)
Author: donovanf@sgate.com (Frank Donovan)
Date: Wed, 7 May 1997 18:12:07 -0400 (EDT)
Larry, I do not know the "K" factor for the Tailtwister, but I can tell you that I've been turning a 48 foot boom 5 element 20M monobander at 100 feet with a Tailtwister for the last ten years. I did
/archives//html/Towertalk/1997-05/msg00199.html (8,060 bytes)

64. [TowerTalk] Prop Pitch seals (score: 1)
Author: donovanf@sgate.com (Frank Donovan)
Date: Wed, 7 May 1997 18:22:38 -0400 (EDT)
Mike, Are you implying that you plan to run oil in your prop-pitch? If so, the type of seal used in the prop-pitch cannot hold oil anyway because it cannot deal with the pressure from oil sitting on
/archives//html/Towertalk/1997-05/msg00203.html (7,892 bytes)

65. [TowerTalk] Re: Insulated Elements (score: 1)
Author: donovanf@sgate.com (Frank Donovan)
Date: Sat, 10 May 1997 08:48:13 -0400 (EDT)
Mike, I began using insulated elements 25 years ago as a result of a very specific experience that I'll describe below. Although the situation has changed (I use monoband Yagis on separate towers now
/archives//html/Towertalk/1997-05/msg00294.html (10,563 bytes)

66. [TowerTalk] Re: Insulated Elements (score: 1)
Author: donovanf@sgate.com (Frank Donovan)
Date: Sat, 10 May 1997 12:55:27 -0400 (EDT)
Hello LB! Before I reply to ur question, I'd like to thank you for all of your extremely informative and useful posts on the towertalk reflector. I always take the time the read and understand them a
/archives//html/Towertalk/1997-05/msg00296.html (9,104 bytes)

67. [TowerTalk] Re: Insulated Elements (score: 1)
Author: donovanf@sgate.com (Frank Donovan)
Date: Sat, 10 May 1997 23:18:41 -0400 (EDT)
Hello Andrew! I cut the phenolic sheet into 6 x 6 x 1/2" pieces for mounting 20, 15 and 10M elements to the boom. I do not use split driven elements, rather I use T-matched driven elements; however,
/archives//html/Towertalk/1997-05/msg00306.html (8,389 bytes)

68. [TowerTalk] Tubing for antennas (score: 1)
Author: donovanf@sgate.com (Frank Donovan)
Date: Thu, 15 May 1997 06:42:50 -0400 (EDT)
Hi Ron! We've gotta get your 20M monobander project back on track! I purchase much of my tubing from Dillsburg Aeroplane Works in Dillsburg, PA. They ship via "UPS Heavy" (ie weight up to 150 pounds,
/archives//html/Towertalk/1997-05/msg00373.html (9,126 bytes)

69. [TowerTalk] Re: Stacking Distance (score: 1)
Author: donovanf@sgate.com (Frank Donovan)
Date: Fri, 23 May 1997 22:48:17 -0400 (EDT)
Hi Rich! You have very ambitious plans! I wonder what boom lengths you plan to use? All of my booms are 48 ft long. And how many towers? My preferred modelling program for stacked Yagis is EZNEC. bla
/archives//html/Towertalk/1997-05/msg00550.html (7,738 bytes)

70. [TowerTalk] Wanted: Older ARRL Antenna Books (score: 1)
Author: donovanf@sgate.com (Frank Donovan)
Date: Fri, 23 May 1997 23:02:10 -0400 (EDT)
I'm looking for the following pre-1974 editions of the ARRL Antenna Book to complete my collection: 1, 2, 3, 4, 5, 6, 7, 8, 10, 12 Each of these will be marked with a cover price of $3.00 or less. If
/archives//html/Towertalk/1997-05/msg00551.html (7,131 bytes)

71. [TowerTalk] Re: [CQ-Contest] Stainless Screws (score: 1)
Author: donovanf@sgate.com (Frank Donovan)
Date: Sat, 24 May 1997 10:11:21 -0400 (EDT)
George, I highly recommend my favorite hardware store: McMaster Carr Supply Co. in New Brunswick, NJ. They have stainless steel machine screws as follows: Part No. Description Price per 100 91794A840
/archives//html/Towertalk/1997-05/msg00556.html (7,928 bytes)

72. [TowerTalk] ground screen for new lawn (score: 1)
Author: donovanf@sgate.com (Frank Donovan)
Date: Wed, 28 May 1997 06:46:20 -0400 (EDT)
Rohn also sells an 8' x 24' ground screen, part number 340007; hold onto your socks when u ask the price... 73 Frank W3LPL donovanf@sgate.com -- FAQ on WWW: http://www.contesting.com/towertalkfaq.htm
/archives//html/Towertalk/1997-05/msg00661.html (8,605 bytes)

73. [TowerTalk] An Engineering Question (score: 1)
Author: donovanf@sgate.com (Frank Donovan)
Date: Wed, 28 May 1997 06:51:32 -0400 (EDT)
This is an excellent approach, except that pipe in not a sensible shape for an elevated guy support. A much better choice is an I-beam, and they are also relatively cheap and readily available at jun
/archives//html/Towertalk/1997-05/msg00662.html (9,063 bytes)

74. [TowerTalk] Re: insulated elements (score: 1)
Author: donovanf@sgate.com (Frank Donovan)
Date: Thu, 29 May 1997 23:00:04 -0400 (EDT)
Hi Steve! I insulate ALL of my Yagi elements with Grade LE phenolic! My rationale is simple: it works! I know... some towertalkians would prefer that I turn my antenna farm into a science experiment,
/archives//html/Towertalk/1997-05/msg00730.html (8,087 bytes)

75. [TowerTalk] Spring Tower Inspection & Maintenance! (score: 1)
Author: donovanf@sgate.com (Frank Donovan)
Date: Tue, 1 Apr 1997 07:27:44 -0500 (EST)
Hi Steve! The high winds have subsided, and no more guy wires -- or anything else -- have broken (sigh of relief!). Now for the follow-up maintenance that follows a particularly valuable inspection t
/archives//html/Towertalk/1997-04/msg00003.html (10,499 bytes)

76. [TowerTalk] Selsyn Wiring (score: 1)
Author: donovanf@sgate.com (Frank Donovan)
Date: Sat, 5 Apr 1997 20:06:54 -0500 (EST)
Hi Bernie! Congrats on your prop-pitch! There aren't many of these outside the USA! Here's the info you requested on selsyn wiring: The X and Y leads are the "stator" leads. Simply connect 120 Volts
/archives//html/Towertalk/1997-04/msg00160.html (7,931 bytes)

77. [TowerTalk] Testing guy terminations (score: 1)
Author: donovanf@sgate.com (Frank Donovan)
Date: Wed, 9 Apr 1997 18:39:46 -0400 (EDT)
Ten years ago I visited TCI International's HF Broadcasting antenna manufacturing facility in Mountain View, CA and witnessed first hand their 100% testing of all guy wire and antenna components as t
/archives//html/Towertalk/1997-04/msg00268.html (9,077 bytes)

78. [TowerTalk] Rutland Arrays Info Request (score: 1)
Author: donovanf@sgate.com (Frank Donovan)
Date: Sun, 13 Apr 1997 09:52:50 -0400 (EDT)
Rutland Arrays was purchased by K6LEW, C4I Communications. Last I knew, Owen's e-mail address was: owormser@triton.dmso.mil 73 Frank W3LPL donovanf@sgate.com -- FAQ on WWW: http://www.contesting.com/
/archives//html/Towertalk/1997-04/msg00365.html (7,519 bytes)

79. [TowerTalk] 4-Square elevated radials (score: 1)
Author: donovanf@sgate.com (Frank Donovan)
Date: Tue, 22 Apr 1997 21:15:23 -0400 (EDT)
My four square 160M array uses yet another arrangement of elevated radials relative to the three u described! (Yes... It works VERY well!) Each vertical uses two elevated radials, about 15 feet high.
/archives//html/Towertalk/1997-04/msg00716.html (7,419 bytes)

80. [TowerTalk] Re: Guying ??? (score: 1)
Author: donovanf@sgate.com (Frank Donovan)
Date: Wed, 23 Apr 1997 06:44:51 -0400 (EDT)
Hi Paul! The Preformed Line Products Big Grip for 5/16" EHS is p/n BG-2146 The PLP grip for 3/8" fiberglas rod is p/n DER-2169 The Polygon Plastics p/n for 3/8" fiberglas rod is PGP-504 The rod we pu
/archives//html/Towertalk/1997-04/msg00731.html (7,831 bytes)


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