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Total 82 documents matching your query.

41. [TowerTalk] minimum height (score: 1)
Author: NPAlex@aol.com
Date: Mon, 23 Jul 2007 12:27:56 EDT
Rusty, I think the recommendation from WA5ZUP is the one I would follow and for the reason he states, adequate room for the coax to flex and not caught on anything. The 1" spacing although possible s
/archives//html/Towertalk/2007-07/msg00883.html (8,239 bytes)

42. [TowerTalk] Telrex Triband - (score: 1)
Author: NPAlex@aol.com
Date: Thu, 26 Jul 2007 18:34:28 EDT
Jim, The antenna is definitely a Telrex TB4-EC/1KWP 4 element Tri-Band, 30lbs of "Educated Aluminum". If you have a FAX number I can send you a copy of the catalog sheet for that model. however there
/archives//html/Towertalk/2007-07/msg00987.html (8,155 bytes)

43. [TowerTalk] Single boom solution- (score: 1)
Author: NPAlex@aol.com
Date: Sun, 26 Aug 2007 17:49:40 EDT
2) use case #2: 3 el SteppIR with 30/40 DE. This would be at 70' Doesn't excite me. Would like 2 el on both 30/40. So...the question is, what might be a reasonable single boom scenario around the ste
/archives//html/Towertalk/2007-08/msg00727.html (8,552 bytes)

44. [TowerTalk] Leesburg Log Periodic (score: 1)
Author: NPAlex@aol.com
Date: Sun, 2 Sep 2007 22:50:39 EDT
I am pretty sure that antenna is associated with the FAA as they have a large office building on that site. I see this antenna every time I visit my daughter in Ashburn, VA. Impressive. Norm W4QN ==.
/archives//html/Towertalk/2007-09/msg00076.html (8,104 bytes)

45. [TowerTalk] FAA Log Periodics (score: 1)
Author: NPAlex@aol.com
Date: Fri, 26 Oct 2007 08:43:12 EDT
The following was an old query that had been attached to a recent series of emails regarding Log periodic antennas. The answer about the one near Leesburg as being for the FAA is correct, and I was t
/archives//html/Towertalk/2007-10/msg00713.html (8,628 bytes)

46. [TowerTalk] Bamboo Quad Spreaders (score: 1)
Author: NPAlex@aol.com
Date: Wed, 26 Dec 2007 23:44:14 EST
Dave, The best bamboo that is used for fishing poles and spreaders has been "flame" cured (dried) which hardens the wood (drives the moisture out) and adds a hard finish which is somewhat blackened b
/archives//html/Towertalk/2007-12/msg00367.html (8,232 bytes)

47. [TowerTalk] Quad Matching (score: 1)
Author: NPAlex@aol.com
Date: Wed, 16 Jan 2008 08:19:31 EST
Jack, The question of the "best way" is not easy to answer as each has trade offs. The best MATCH can be made with a gamma match, but adds extra complexity, and mechanical problems as a result of how
/archives//html/Towertalk/2008-01/msg00307.html (7,807 bytes)

48. [TowerTalk] Copper Clad or Hard Drawn Wire for Quad? (score: 1)
Author: NPAlex@aol.com
Date: Thu, 14 Feb 2008 22:01:02 EST
Rob, There are several conditions that may determine the best choice. In general I would recommend the hard drawn, stranded wire as the best choice as being all copper there is little to degrade. A c
/archives//html/Towertalk/2008-02/msg00155.html (8,910 bytes)

49. [TowerTalk] YAESU ROTATOR (score: 1)
Author: NPAlex@aol.com
Date: Thu, 28 Feb 2008 00:21:08 EST
Fred, Check the schematic, the indicator circuit is pretty basic using a 500 ohm remote sensing pot. and a milli-ampmeter. I suspect that you induced enough RF it the control cable (acts as an antenn
/archives//html/Towertalk/2008-02/msg00388.html (7,875 bytes)

50. [TowerTalk] US Tower base bolts (score: 1)
Author: NPAlex@aol.com
Date: Mon, 31 Mar 2008 00:46:23 EDT
Frank, I have a set of US Tower 1" bolts that I did not use (did not relocate tower) and are available. They do cost over $50 each with shipping, make me a reasonable offer and I will ship them to yo
/archives//html/Towertalk/2008-03/msg00642.html (7,174 bytes)

51. [TowerTalk] Tower Control (score: 1)
Author: NPAlex@aol.com
Date: Wed, 28 May 2008 22:34:10 EDT
Dan, Limit switches for tower control are usually pretty straight forward circuit interrupt devices. There is the rest of the control circuitry however that needs to be considered. Your winch was sta
/archives//html/Towertalk/2008-05/msg00493.html (10,204 bytes)

52. [TowerTalk] LM-470 tower erection (score: 1)
Author: NPAlex@aol.com
Date: Sun, 8 Jun 2008 12:56:00 EDT
Bill, I have had the need to erect the Tri-Ex LM-470 tower on 4 occasions over the years, and in addition a heavier HD-589 US Tower using one of the methods describe in the responses you received. Th
/archives//html/Towertalk/2008-06/msg00147.html (8,883 bytes)

53. [TowerTalk] Need help with US Tower (score: 1)
Author: npalex@aol.com
Date: Mon, 16 Jun 2008 09:34:49 -0400
MIke, First the basics, Is the power connection made and working?,?If you are using the remote control system then check if the power is "ON" at the tower control box.? The remote control package (at
/archives//html/Towertalk/2008-06/msg00331.html (8,730 bytes)

54. [TowerTalk] WT-51 remote/winch (score: 1)
Author: NPAlex@aol.com
Date: Thu, 10 Jul 2008 10:07:09 EDT
Bill, The cautions that you have received are very real potential problems when motorizing a crank-up tower. Although I have not worked with the Tri-Ex WT series, I have motorized, and remote control
/archives//html/Towertalk/2008-07/msg00243.html (11,054 bytes)

55. [TowerTalk] Lightning Bolt Quad Parts (score: 1)
Author: NPAlex@aol.com
Date: Mon, 8 Sep 2008 22:20:42 EDT
Garry, The assembly used a narrow band hose clamp, usually #12 or #16 depending on where it was placed on a tapered arm. The small tubing was brake hose, and about 3" long, and that was captured by a
/archives//html/Towertalk/2008-09/msg00146.html (9,237 bytes)

56. [TowerTalk] Tower Bolts (score: 1)
Author: NPAlex@aol.com
Date: Mon, 22 Sep 2008 00:08:29 EDT
Mark, I have a set of 6 bolts for the US-589 tower that I will not be using as my relocation plans have changed. These were bought from US Tower (they are no longer J bolts, but have a large nut weld
/archives//html/Towertalk/2008-09/msg00412.html (7,404 bytes)

57. [TowerTalk] Crimping cables (score: 1)
Author: NPAlex@aol.com
Date: Thu, 30 Oct 2008 10:31:50 EDT
Here in Florida most major Marine supply stores sell the crimping tools and devices. Some also perform the crimping for you, that is bring in the cables and they will use their crimping tool. The par
/archives//html/Towertalk/2008-10/msg00649.html (8,335 bytes)

58. [TowerTalk] Rotor Plate LM-470 (score: 1)
Author: NPAlex@aol.com
Date: Sun, 2 Nov 2008 18:01:45 EST
That is the way the plate works, hooks over the cross bars, torques against the uprights. Works fine, I have had three LM-470's using Ham M or Prop Pitch motors and never a problem. The weight of the
/archives//html/Towertalk/2008-11/msg00034.html (7,821 bytes)

59. [TowerTalk] LM-470 variations (score: 1)
Author: NPAlex@aol.com
Date: Sun, 23 Nov 2008 17:34:17 EST
I have had over the years three different LM-470 towers, and there were some significant changes. The most notable was the change from a single heavy lift cable in the 1960's versions to double strun
/archives//html/Towertalk/2008-11/msg00597.html (9,079 bytes)

60. [TowerTalk] Quad Plans (score: 1)
Author: NPAlex@aol.com
Date: Tue, 2 Dec 2008 11:39:30 EST
To: Martin Sole _msole@loxinfo.co.th_ (mailto:msole@loxinfo.co.th) Martin, I would like to make some comments on you Quad refurbishing plans - it may be easiest to address some of your questions with
/archives//html/Towertalk/2008-12/msg00025.html (12,079 bytes)


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