Search String: Display: Description: Sort:

Results:

References: [ +from:kdutson@sbcglobal.net: 638 ]

Total 638 documents matching your query.

61. Re: [TowerTalk] [Force 12 Talk] 340N (score: 1)
Author: "Keith Dutson" <kdutson@sbcglobal.net>
Date: Tue, 19 Jul 2005 13:09:48 -0500
Re-check your model. My 40M 2el antenna resonance went up 12KHz when moving from 20 to 150 feet. 73, Keith NM5G George - I'm not a modeling expert, so take the following with a grain of salt. Using Y
/archives//html/Towertalk/2005-07/msg00453.html (9,597 bytes)

62. [TowerTalk] Recall: [Force 12 Talk] 340N (score: 1)
Author: "Keith Dutson" <kdutson@sbcglobal.net>
Date: Tue, 19 Jul 2005 13:10:31 -0500
Keith Dutson would like to recall the message, "[Force 12 Talk] 340N". _______________________________________________ See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless Weather S
/archives//html/Towertalk/2005-07/msg00454.html (7,937 bytes)

63. Re: [TowerTalk] [Force 12 Talk] 340N (score: 1)
Author: "Keith Dutson" <kdutson@sbcglobal.net>
Date: Tue, 19 Jul 2005 13:12:00 -0500
Sri, posted to wrong list. NM5G Re-check your model. My 40M 2el antenna resonance went up 12KHz when moving from 20 to 150 feet. 73, Keith NM5G George - I'm not a modeling expert, so take the followi
/archives//html/Towertalk/2005-07/msg00455.html (10,196 bytes)

64. Re: [TowerTalk] next dipole question (score: 1)
Author: "Keith Dutson" <kdutson@sbcglobal.net>
Date: Wed, 20 Jul 2005 16:21:31 -0500
There are mixed opinions on grounding the shield at the tower. I do not. Are you using a current balun? If so, is it at the feedpoint? 73, Keith NM5G OK so the sparkgap arrestor is not a problem. Sho
/archives//html/Towertalk/2005-07/msg00480.html (7,834 bytes)

65. Re: [TowerTalk] The Bad News (score: 1)
Author: "Keith Dutson" <kdutson@sbcglobal.net>
Date: Wed, 20 Jul 2005 20:04:36 -0500
Perhaps. But it will not stop the worldwide use of CW or the ubiquitous CW contests. And, as a VE, I can assure you it means less hassle for the typical VE session. 73, Keith NM5G http://www.fcc.gov/
/archives//html/Towertalk/2005-07/msg00483.html (8,783 bytes)

66. Re: [TowerTalk] Remote control (score: 1)
Author: "Keith Dutson" <kdutson@sbcglobal.net>
Date: Thu, 21 Jul 2005 08:32:20 -0500
A switch like this would typically need several ma of current to activate. For this reason I would not use RF. I do not think it is practical. Use a trap instead. 73, Keith NM5G Hello all, I'm thinki
/archives//html/Towertalk/2005-07/msg00510.html (8,378 bytes)

67. Re: [TowerTalk] dumbing down (score: 1)
Author: "Keith Dutson" <kdutson@sbcglobal.net>
Date: Fri, 22 Jul 2005 10:17:12 -0500
articles. Yes, this is an unfortunate aspect of a publication like QST. I, too, am guilty of trying to learn from the technical articles. However, after being burned a few times I now know to do my
/archives//html/Towertalk/2005-07/msg00558.html (11,138 bytes)

68. Re: [TowerTalk] perfect braid... (score: 1)
Author: "Keith Dutson" <kdutson@sbcglobal.net>
Date: Mon, 25 Jul 2005 22:03:39 -0500
up? rg213? I have employed all three over the years. I like the look and feel of 9913F7 and recently purchased two 1000ft rolls. This will replace all my coax in the near future. 73, Keith NM5G -0-
/archives//html/Towertalk/2005-07/msg00741.html (9,261 bytes)

69. Re: [TowerTalk] insulators (score: 1)
Author: "Keith Dutson" <kdutson@sbcglobal.net>
Date: Thu, 28 Jul 2005 20:24:35 -0500
Davis, You have entirely too much time on your hands. <grin> 73, Keith NM5G Remember a couple months ago I had a couple big insulators I was trying to figure out what to do with? Well BIG things are
/archives//html/Towertalk/2005-07/msg00799.html (8,912 bytes)

70. Re: [TowerTalk] stealth antenna---initial report (score: 1)
Author: "Keith Dutson" <kdutson@sbcglobal.net>
Date: Fri, 29 Jul 2005 21:04:12 -0500
That's what I was thinking also. Phillystran the size of RG8 coax is rated at a bit over 6000 lbs. 73, Keith NM5G Jim: i check the radioworks catalog and say that the kevlar-dacron 1/8 is for 770 pou
/archives//html/Towertalk/2005-07/msg00818.html (11,889 bytes)

71. Re: [TowerTalk] split tubing in base leg (score: 1)
Author: "Keith Dutson" <kdutson@sbcglobal.net>
Date: Sat, 30 Jul 2005 14:25:46 -0500
fit. Was this a new tower? I have never had a problem with new bolts going in on a new Rohn tower. 73, Keith NM5G The ROHN catalog is very specific about not drilling galvanized tower legs. They don
/archives//html/Towertalk/2005-07/msg00850.html (10,159 bytes)

72. Re: [TowerTalk] Tower Leg Strength (score: 1)
Author: "Keith Dutson" <kdutson@sbcglobal.net>
Date: Sat, 30 Jul 2005 14:29:23 -0500
For Rohn towers I have never heard of a leg failure caused by rust or other aging for the 45G or 55G series. The 25G series may be more vulnerable. 73, Keith NM5G --Original Message-- From: towertalk
/archives//html/Towertalk/2005-07/msg00851.html (9,600 bytes)

73. Re: [TowerTalk] aircraft bearing (score: 1)
Author: "Keith Dutson" <kdutson@sbcglobal.net>
Date: Sat, 30 Jul 2005 14:31:21 -0500
at the rate it will be turned on a tower. <grin> 73, Keith NM5G Notice the grease fittings? This is not a "no lube / lifetime greased / etc" bearing, someone is going to have to climb the tower peri
/archives//html/Towertalk/2005-07/msg00852.html (8,488 bytes)

74. Re: [TowerTalk] split tubing in base leg (score: 1)
Author: "Keith Dutson" <kdutson@sbcglobal.net>
Date: Sat, 30 Jul 2005 14:34:23 -0500
I am with you on that thought. It seemed quite easy to simply follow the manufacturer's recommendation to place gravel in the bottom of the hole to allow water to drain out of the legs. 73, Keith NM5
/archives//html/Towertalk/2005-07/msg00853.html (9,774 bytes)

75. Re: [TowerTalk] Questions about Tower Maintenance (score: 1)
Author: "Keith Dutson" <kdutson@sbcglobal.net>
Date: Mon, 1 Aug 2005 13:20:19 -0500
The recommended tension is 10 percent of the guy rating. If you are using 1/4 Phillystran, it is likely rated at 2100 pounds so your tension should be about 210 pounds. First, plumb the tower using m
/archives//html/Towertalk/2005-08/msg00005.html (9,595 bytes)

76. Re: [TowerTalk] Sparky Pays a Visit (score: 1)
Author: "Keith Dutson" <kdutson@sbcglobal.net>
Date: Wed, 3 Aug 2005 12:56:50 -0500
It has been said many times before but is worth repeating: make sure your system ground is tied to the AC service entrance ground. It's always best to tie all components to this ground. What typicall
/archives//html/Towertalk/2005-08/msg00059.html (11,249 bytes)

77. Re: [TowerTalk] MOV's (score: 1)
Author: "Keith Dutson" <kdutson@sbcglobal.net>
Date: Wed, 3 Aug 2005 15:43:18 -0500
When a MOV is hit with a voltage (not spike) much higher than the rating, it usually pops like a firecracker. At this point it is open. This happened in one of my Astron power supplies (SS-25M) set f
/archives//html/Towertalk/2005-08/msg00071.html (8,179 bytes)

78. Re: [TowerTalk] EF140 antenna problem (score: 1)
Author: "Keith Dutson" <kdutson@sbcglobal.net>
Date: Sat, 6 Aug 2005 12:13:30 -0500
If you are feeding directly with no hairpin the feed point impedance will cause high VSWR. You can make a hairpin equivalent from three turns of 12 gauge solid copper wire wound on a 3 inch form. Lea
/archives//html/Towertalk/2005-08/msg00134.html (8,341 bytes)

79. Re: [TowerTalk] Loos Tension Gauge (score: 1)
Author: "Keith Dutson" <kdutson@sbcglobal.net>
Date: Mon, 8 Aug 2005 15:54:11 -0500
You say 1/4 Phillystran and 650 or so tension, which would be 6500 lbs rated strength. My Phillystran is 6700 lbs rated strength but quite a bit larger than 1/4 inch. With the black plastic jacket it
/archives//html/Towertalk/2005-08/msg00185.html (9,067 bytes)

80. Re: [TowerTalk] LMR 400 (score: 1)
Author: "Keith Dutson" <kdutson@sbcglobal.net>
Date: Tue, 9 Aug 2005 09:46:12 -0500
Should not be a problem soldering PL259 to LMR400. But use a really sharp knife to cut the jacket. It is very hard. 73, Keith NM5G Fellow Tower Talkians: I recently bought 100 feet of LMR 400 to feed
/archives//html/Towertalk/2005-08/msg00204.html (8,870 bytes)

Current List: 61 - 80
Page: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] [17] [18] [19] [20]
This search system is powered by Namazu