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Total 638 documents matching your query.

161. Re: [TowerTalk] Fw: BEST MEDIUM SIZED TRIBANDER BEAM FOR CONTESTING? (score: 1)
Author: "Keith Dutson" <kdutson@sbcglobal.net>
Date: Sun, 27 Nov 2005 14:35:25 -0600
Since your budget seems to be unlimited, why not go for the SteppIR 4 element? It is not the best for contesting for probably for everything else. 73 Keith NM5G Thanks guys for your replys! I am curr
/archives//html/Towertalk/2005-11/msg00746.html (8,941 bytes)

162. Re: [TowerTalk] Fw: BEST MEDIUM SIZED TRIBANDER BEAM FOR CONTESTING? (score: 1)
Author: "Keith Dutson" <kdutson@sbcglobal.net>
Date: Sun, 27 Nov 2005 20:47:10 -0600
Band changes too slow on the SteppIR when checking another band for opening while trying to hold current run freq. Plus, if you have a modern rig with two receivers you can hear both bands at the sam
/archives//html/Towertalk/2005-11/msg00749.html (10,869 bytes)

163. Re: [TowerTalk] Thrust bearing Help (score: 1)
Author: "Keith Dutson" <kdutson@sbcglobal.net>
Date: Wed, 30 Nov 2005 14:19:50 -0600
WD40. You can use a propane or napp torch to heat the bearing. The aluminum will expand more than the steel and possible break the corrosion/rust. 73, Keith NM5G I have a Glen Martin TB-25 Thrust Bea
/archives//html/Towertalk/2005-11/msg00829.html (8,813 bytes)

164. Re: [TowerTalk] new tower /OLD tower (score: 1)
Author: "Keith Dutson" <kdutson@sbcglobal.net>
Date: Thu, 1 Dec 2005 09:09:59 -0600
Put them up any way they will fit together. If you are concerned about how they will look while up, just paint them all to match. If you are concerned about structural integrity, consult an engineer
/archives//html/Towertalk/2005-12/msg00006.html (8,871 bytes)

165. Re: [TowerTalk] Positoners Calibration to True North (score: 1)
Author: "Keith Dutson" <kdutson@sbcglobal.net>
Date: Fri, 2 Dec 2005 13:41:50 -0600
Using this method one can point their 30 degree aperture multi-element beam with one degree accuracy. :) 73, Keith NM5G --Original Message-- From: towertalk-bounces@contesting.com [mailto:towertalk-b
/archives//html/Towertalk/2005-12/msg00066.html (11,800 bytes)

166. Re: [TowerTalk] LMR- 600 Ultraflex (score: 1)
Author: "Keith Dutson" <kdutson@sbcglobal.net>
Date: Thu, 8 Dec 2005 22:39:05 -0600
The 600 in LMR600 represents the outer diameter of the cable, .600 inch. This is really heavy duty cable. I have a couple runs going up my tower. Putting on the special connectors is quite easy. The
/archives//html/Towertalk/2005-12/msg00157.html (9,239 bytes)

167. Re: [TowerTalk] antenna quiz? (score: 1)
Author: "Keith Dutson" <kdutson@sbcglobal.net>
Date: Tue, 13 Dec 2005 10:38:22 -0600
What does the manufacturer recommend? Would the 2:1 balun be for 100 ohms rather than 25? I would try to get feed point impedance to 50 ohms then use a standard 1:1 current balun or RF choke. A hairp
/archives//html/Towertalk/2005-12/msg00246.html (8,424 bytes)

168. Re: [TowerTalk] best elevation angle of radiation (score: 1)
Author: "Keith Dutson" <kdutson@sbcglobal.net>
Date: Tue, 13 Dec 2005 13:17:27 -0600
The MonstIR has MUCH more gain than the 2el. Couple that with uncertainty about your ground losses and you could easily outperform the little Yagi pointed at any station. 73, Keith NM5G It seems that
/archives//html/Towertalk/2005-12/msg00257.html (9,741 bytes)

169. Re: [TowerTalk] Beam toubleshooting problem - help please (score: 1)
Author: "Keith Dutson" <kdutson@sbcglobal.net>
Date: Wed, 14 Dec 2005 09:20:57 -0600
I am not familiar with the Optibeam but had a similar problem with my antenna. To make a long story short, one of the loading coils (open air winding) was positioned very close to a bolt used to hold
/archives//html/Towertalk/2005-12/msg00317.html (13,025 bytes)

170. Re: [TowerTalk] M2 "Skip Log" vs. SteppIR (score: 1)
Author: "Keith Dutson" <kdutson@sbcglobal.net>
Date: Sat, 17 Dec 2005 13:00:29 -0600
small tribander do so primarily to reduce cost. I agree with this assessment. Next year a group of us are going to Malta for a week of fun. We debated whether to take an existing tri-bander or obtai
/archives//html/Towertalk/2005-12/msg00362.html (9,297 bytes)

171. Re: [TowerTalk] Glen Martin Voyager Hazer (score: 1)
Author: "Keith Dutson" <kdutson@sbcglobal.net>
Date: Thu, 22 Dec 2005 16:38:57 -0600
Too old? You are younger than me. Come over sometime and I will show you how to climb my 150 footer. :) 73, Keith NM5G I'm planning a Hazer for my 50' Rohn 25 tower. I'm 62 and like to experiment wit
/archives//html/Towertalk/2005-12/msg00409.html (9,253 bytes)

172. Re: [TowerTalk] Tower-mounted enclosure (score: 1)
Author: "Keith Dutson" <kdutson@sbcglobal.net>
Date: Tue, 3 Jan 2006 08:15:11 -0600
I would choose a ventilated aluminum enclosure. You can mount bulkhead Polyphasers and attach the box to a tower leg using metal clamps. 73, Keith NM5G Hi all, I am about to erect a 50' Rohn 25 tower
/archives//html/Towertalk/2006-01/msg00031.html (8,815 bytes)

173. Re: [TowerTalk] lightning protection (score: 1)
Author: "Keith Dutson" <kdutson@sbcglobal.net>
Date: Tue, 3 Jan 2006 14:33:50 -0600
It is usually the gas tube that begins to falter after a number of hits. This results in significant insertion loss. Temporarily replace the unit with a barrel connector to see if there is any improv
/archives//html/Towertalk/2006-01/msg00055.html (9,041 bytes)

174. [TowerTalk] 80M Yagi - Height Recommendation (score: 1)
Author: "Keith Dutson" <kdutson@sbcglobal.net>
Date: Wed, 4 Jan 2006 15:14:10 -0600
I am planning to install a 2 el 80M Yagi. Originally it was going on a 120 foot Rohn 55G tower. I now have some flexibility and can put it on a taller tower, up to 190 feet. What are the recommended
/archives//html/Towertalk/2006-01/msg00100.html (6,905 bytes)

175. Re: [TowerTalk] 80 Meter yagi - Height recommendation (score: 1)
Author: "Keith Dutson" <kdutson@sbcglobal.net>
Date: Wed, 4 Jan 2006 22:37:10 -0600
Rick, Thanks to you and many others for the feedback. I am going with 140 feet. This should be a good compromise between domestic and DX operation. I also have an 80M vertical that works quite well b
/archives//html/Towertalk/2006-01/msg00114.html (8,264 bytes)

176. Re: [TowerTalk] Loos Gauge model PT-2 (score: 1)
Author: "Keith Dutson" <kdutson@sbcglobal.net>
Date: Wed, 11 Jan 2006 19:55:26 -0600
Looking at my PT-2, the pointer is at 5. The label just under the sliding pointer says "Gauge is calibrated. May not read Zero at rest." 73 Keith NM5G Hello Team, I just picked up my Loos gauge to ch
/archives//html/Towertalk/2006-01/msg00237.html (8,080 bytes)

177. Re: [TowerTalk] Making a self-supporting tower rotate (score: 1)
Author: "Keith Dutson" <kdutson@sbcglobal.net>
Date: Thu, 12 Jan 2006 13:08:50 -0600
Why not spend an extra quarter and go first class with a parabolic dish. <grin> 73, Keith NM5G _______________________________________________ _______________________________________________ TowerTal
/archives//html/Towertalk/2006-01/msg00245.html (7,463 bytes)

178. Re: [TowerTalk] Terminating Phillystran at the ground. (score: 1)
Author: "Keith Dutson" <kdutson@sbcglobal.net>
Date: Sat, 4 Feb 2006 17:55:04 -0600
As recommended by the manufacturer and many others, I use at least 10 feet of steel from anchor point to the Phillystran. Each end is terminated by thimble and big grip, and a bow shackle connects th
/archives//html/Towertalk/2006-02/msg00061.html (7,643 bytes)

179. Re: [TowerTalk] Locating Buried Feedline (score: 1)
Author: "Keith Dutson" <kdutson@sbcglobal.net>
Date: Wed, 8 Feb 2006 12:55:09 -0600
I saw a cable guy searching for underground conduit by using a T handle made from hardened steel. Of course, this only works in regular, damp earth. 73, Keith NM5G I'm getting ready to trench in a ca
/archives//html/Towertalk/2006-02/msg00086.html (7,741 bytes)

180. Re: [TowerTalk] lightning and insulated elements.. (score: 1)
Author: "Keith Dutson" <kdutson@sbcglobal.net>
Date: Sat, 11 Feb 2006 12:17:09 -0600
There was recently a program on PBS (Nova, I think) that reviewed current research on lightning strikes. This research is done mainly in the state of Florida. The potential in a typical thunder cloud
/archives//html/Towertalk/2006-02/msg00146.html (10,016 bytes)


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