Search String: Display: Description: Sort:

Results:

References: [ +from:harpole@pegasus.cc.ucf.edu: 330 ]

Total 330 documents matching your query.

161. [TowerTalk] baluns and wire antennas and failures (score: 1)
Author: harpole@pegasus.cc.ucf.edu (Charles H. Harpole)
Date: Tue, 30 Dec 1997 23:10:09 -0500 (EST)
I have been actively hamming for over 30 years (whew!) and the only thing I ever burned up with RF were the two end insulators made of fiberglass (sold by B&W) on a halved shortened 160 inverted V. A
/archives//html/Towertalk/1997-12/msg00708.html (8,778 bytes)

162. [TowerTalk] baluns and wire antenna (score: 1)
Author: harpole@pegasus.cc.ucf.edu (Charles H. Harpole)
Date: Wed, 31 Dec 1997 12:54:19 -0500 (EST)
I guess that TH-7 was ment to be there, two feef above the feed point of the sloper! I really like it when I get some thing to work the first time, and do not have to consult eggineers. 73, K4VUD Cha
/archives//html/Towertalk/1997-12/msg00721.html (8,374 bytes)

163. [TowerTalk] Radial evaluation (score: 1)
Author: harpole@pegasus.cc.ucf.edu (Charles H. Harpole)
Date: Wed, 31 Dec 1997 18:03:30 -0500 (EST)
The instructions that come from HYGain with the HyTower give info on radials for this 160-10 meter antenna. It says over about 20 radials (in ground (not elevated) and the match goes way below 50 ohm
/archives//html/Towertalk/1997-12/msg00734.html (8,030 bytes)

164. [TowerTalk] WARC antennas (score: 1)
Author: harpole@pegasus.cc.ucf.edu (Charles H. Harpole)
Date: Sat, 1 Nov 1997 15:41:13 -0500 (EST)
Suggest u get a Cushcraft single element roto dipole for all three WARC bands. I like mine and don't yet need any more elements, but wait til the elephant guns get around to these bands!!!! k4VUD --
/archives//html/Towertalk/1997-11/msg00015.html (7,318 bytes)

165. [TowerTalk] Compare Top Ten and DAS and Dunestar (score: 1)
Author: harpole@pegasus.cc.ucf.edu (Charles H. Harpole)
Date: Sat, 1 Nov 1997 15:47:52 -0500 (EST)
Please some wisdom comparing the remote antenna switches ALL OF WHICH SHARE THE FACT THAT they automatically sense the band changes from the rig or computer, etc. Which is best: 1. Top Ten Devices? 2
/archives//html/Towertalk/1997-11/msg00016.html (7,445 bytes)

166. [TowerTalk] Unterminated Beverages (score: 1)
Author: harpole@pegasus.cc.ucf.edu (Charles H. Harpole)
Date: Sun, 2 Nov 1997 20:48:12 -0500 (EST)
I had 500 feet of wire out and no termination and no matching device. I heard nada, nothing, zilch, zero, etc. Dummy load. Am adding both soon. K4VUD -- FAQ on WWW: http://www.contesting.com/towertal
/archives//html/Towertalk/1997-11/msg00041.html (7,407 bytes)

167. [TowerTalk] "Up The Tower" in December 1997 CQ Magazine (score: 1)
Author: harpole@pegasus.cc.ucf.edu (Charles H. Harpole)
Date: Tue, 4 Nov 1997 23:19:56 -0500 (EST)
I found the noted article slightly biased against crank-up towers. Do not climb, is clear and obvious, altho many apparently do that! However, initial cost of tower is not the only cost in the case o
/archives//html/Towertalk/1997-11/msg00083.html (7,841 bytes)

168. [TowerTalk] HF beam against the wind. (score: 1)
Author: harpole@pegasus.cc.ucf.edu (Charles H. Harpole)
Date: Sat, 8 Nov 1997 18:27:55 -0500 (EST)
I still head my beams directly into the wind. Based primarily on the fact that is the way they stabilize if left without a brake. Have seen that phenomenon many times. de K4VUD -- FAQ on WWW: http://
/archives//html/Towertalk/1997-11/msg00177.html (8,555 bytes)

169. [TowerTalk] HF beam against the wind. (score: 1)
Author: harpole@pegasus.cc.ucf.edu (Charles H. Harpole)
Date: Mon, 10 Nov 1997 12:27:29 -0500 (EST)
I meant to analogize a "wind direction indicator" or weather vane, to the beam antenna. If a weather vane turns into the wind, it is because that is the position of least pressure on its parts. Likew
/archives//html/Towertalk/1997-11/msg00211.html (9,293 bytes)

170. [TowerTalk] Re: [Antennas] Braid as an Effective Grounding Material (score: 1)
Author: harpole@pegasus.cc.ucf.edu (Charles H. Harpole)
Date: Mon, 10 Nov 1997 12:40:08 -0500 (EST)
If braid is a no-no for lightning grounding, somebody had better tell all the places where I have seen big braid cables used in the lightning rod systems. Specifically, the roof of our campus buildin
/archives//html/Towertalk/1997-11/msg00212.html (8,462 bytes)

171. [TowerTalk] Fwd: grounding bulkhead (score: 1)
Author: harpole@pegasus.cc.ucf.edu (Charles H. Harpole)
Date: Thu, 13 Nov 1997 18:49:36 -0500 (EST)
I have always wondered what the effect on swr are on both grounding the shields of coax at place(s) other than at each end of the coax and on tying the shields of coax together somewhere along to coa
/archives//html/Towertalk/1997-11/msg00314.html (8,159 bytes)

172. [TowerTalk] HF beam against the wind. (score: 1)
Author: harpole@pegasus.cc.ucf.edu (Charles H. Harpole)
Date: Thu, 13 Nov 1997 19:14:20 -0500 (EST)
Here are some more personal observations on this topic. A TowTech winch failed me on my crank up tower--first use-- and the whole thing dropped from full up at 70 ft down onto the lower stops. The Cu
/archives//html/Towertalk/1997-11/msg00317.html (9,175 bytes)

173. [TowerTalk] Hy-Gain Rotating Boom-to-Mast Clamp (score: 1)
Author: harpole@pegasus.cc.ucf.edu (Charles H. Harpole)
Date: Thu, 13 Nov 1997 19:33:39 -0500 (EST)
I was the person who noted the HyGain boom to mast clamshell clamp 's advantages. It is a lot harder to describe the method than to actually do it. But I will try. If you are still confused, phone me
/archives//html/Towertalk/1997-11/msg00318.html (8,499 bytes)

174. [TowerTalk] "ZAGI" Configuration (MAGNUM 340 tuning) (score: 1)
Author: harpole@pegasus.cc.ucf.edu (Charles H. Harpole)
Date: Thu, 13 Nov 1997 19:36:05 -0500 (EST)
Hey, I'm gonna , from now on, place only my driven elements high on the tower and put the parasiteics (wow, spelling!) a few feet off the earth. Chas -- FAQ on WWW: http://www.contesting.com/towertal
/archives//html/Towertalk/1997-11/msg00319.html (7,927 bytes)

175. [TowerTalk] C4XL Results (score: 1)
Author: harpole@pegasus.cc.ucf.edu (Charles H. Harpole)
Date: Thu, 13 Nov 1997 19:50:26 -0500 (EST)
If I were to purchase a beam kit that had riveted elements , and I put it all together as per factory directions, including putting in the rivets, and then I discovered that the beam was not "right o
/archives//html/Towertalk/1997-11/msg00320.html (8,007 bytes)

176. [TowerTalk] Re: Upcoming Compliance (score: 1)
Author: harpole@pegasus.cc.ucf.edu (Charles H. Harpole)
Date: Fri, 14 Nov 1997 16:17:33 -0500 (EST)
When I see how many powerful vested interests have RF emissions as a big part of their game-- tv stations, police radios, aircraft, etc etc -- I stop worrying about compliance for hams. k4VUD -- FAQ
/archives//html/Towertalk/1997-11/msg00357.html (9,275 bytes)

177. [TowerTalk] Re: Upcoming Compliance (score: 1)
Author: harpole@pegasus.cc.ucf.edu (Charles H. Harpole)
Date: Fri, 14 Nov 1997 22:59:46 -0500 (EST)
Big Don, the police car is in front of my house at "people" level, the taxi same, the cel phone is half inch from my pea brain, the garage door opener is inside the auto with me, the 100megawatts (TV
/archives//html/Towertalk/1997-11/msg00387.html (9,752 bytes)

178. [TowerTalk] Force 12: rivets, hardware (score: 1)
Author: harpole@pegasus.cc.ucf.edu (Charles H. Harpole)
Date: Sat, 15 Nov 1997 15:02:52 -0500 (EST)
Here is my report on rust: About half of the length of u bolts etc that are plated and not stainless on Cushcraft were rusted but not to point of nut will absolutely not come off. Spots of rust, but
/archives//html/Towertalk/1997-11/msg00402.html (8,552 bytes)

179. [TowerTalk] TH6 vs TH7 vs TA-36 (score: 1)
Author: harpole@pegasus.cc.ucf.edu (Charles H. Harpole)
Date: Sat, 15 Nov 1997 15:03:53 -0500 (EST)
TH7 is broader banded than TH6. Have had both and that is all difference I can see. Don't know about TA-36. K4VUD -- FAQ on WWW: http://www.contesting.com/towertalkfaq.html Submissions: towertalk@con
/archives//html/Towertalk/1997-11/msg00403.html (7,116 bytes)

180. [TowerTalk] Antenna Erection (De-) Companies (score: 1)
Author: harpole@pegasus.cc.ucf.edu (Charles H. Harpole)
Date: Mon, 17 Nov 1997 10:07:44 -0500 (EST)
I have road in the bucket of five different trucks/cranes in two states and never had a problem. In the case of the self-propelled cranes I rented, (went up to 70 ft) the company gave me instructions
/archives//html/Towertalk/1997-11/msg00442.html (9,732 bytes)


This search system is powered by Namazu