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Total 435 documents matching your query.

161. Re: [TowerTalk] Roller inductor sources (score: 1)
Author: TexasRF@aol.com
Date: Thu, 20 Oct 2005 11:25:22 EDT
The arguments about input vs. output baluns used with antenna tuners makes one wonder if a balun on both would be advisable? 73, Gerald K5GW In a message dated 10/19/2005 3:42:50 P.M. Central Dayligh
/archives//html/Towertalk/2005-10/msg00689.html (10,184 bytes)

162. Re: [TowerTalk] A near imminent TX-455 failure (Bob Shauger) (score: 1)
Author: TexasRF@aol.com
Date: Mon, 14 Nov 2005 11:23:50 EST
Hal, if possible, please give us a few words about hydrogen embrittlement. To me, this is a new concept and would like to know more. 73, Gerald/K5GW In a message dated 11/14/2005 10:15:45 A.M. Centra
/archives//html/Towertalk/2005-11/msg00455.html (9,472 bytes)

163. Re: [TowerTalk] towerconnections.com is gone - now what? (score: 1)
Author: TexasRF@aol.com
Date: Tue, 22 Nov 2005 15:21:57 EST
My favorite tower hardware supplier is still alive and well! Texas Towers, 1 800 272 3467, _www.texastowers.com_ (http://www.texastowers.com) , QST advertiser for last 25 years. 73, Gerald Williamson
/archives//html/Towertalk/2005-11/msg00621.html (9,557 bytes)

164. Re: [TowerTalk] balky TailTwister update (score: 1)
Author: TexasRF@aol.com
Date: Tue, 22 Nov 2005 17:40:55 EST
I have seen the brake get lazy in these type rotators when they get some age on them. This is mostly a problem with longish cables needing to be made of larger gauge wires. If this is the problem you
/archives//html/Towertalk/2005-11/msg00627.html (8,726 bytes)

165. Re: [TowerTalk] Rohn Fold-over? (score: 1)
Author: TexasRF@aol.com
Date: Thu, 8 Dec 2005 10:50:07 EST
-- I've had one of these up for 28 years now. Data is in the Rohn catalog. The main disadvantage is the 130 pound weight limit at the apex of the tower. Four way guying is required, but the footprint
/archives//html/Towertalk/2005-12/msg00141.html (8,317 bytes)

166. Re: [TowerTalk] Hygain tower base dimensions (score: 1)
Author: TexasRF@aol.com
Date: Sat, 10 Dec 2005 10:32:58 EST
I have an old Hygain catalog showing 42" X 42" X 72" base dimensions for the HG54HD tower. If you need a new base cage I see they are listed as still available for only $289 through Texas Towers. 73,
/archives//html/Towertalk/2005-12/msg00210.html (8,590 bytes)

167. Re: [TowerTalk] Yagi gain question (score: 1)
Author: TexasRF@aol.com
Date: Fri, 23 Dec 2005 10:44:02 EST
Hi to all, First, I hope you all have a wonderful Holiday and Merry Christmas. Thanks for the help on this reflector this past year. I am now trying to sort out in my head a simple way to get a rough
/archives//html/Towertalk/2005-12/msg00428.html (8,247 bytes)

168. Re: [TowerTalk] trench tool - what works? (score: 1)
Author: TexasRF@aol.com
Date: Mon, 23 Jan 2006 21:35:23 EST
Four inch black plastic corrugated tubing is available at Home Depot and Lowes for about 20 or 30 cents/ft last time I checked. It was available in 10ft and 100ft lengths. This stuff has little slits
/archives//html/Towertalk/2006-01/msg00442.html (8,346 bytes)

169. Re: [TowerTalk] SWR shifts with power (score: 1)
Author: TexasRF@aol.com
Date: Tue, 24 Jan 2006 10:26:43 EST
Further to Peter's comments if there is a beam on top: The driven element of the beam can add considerable top loading to the shunt fed tower. The balun that connects the driven element to the system
/archives//html/Towertalk/2006-01/msg00466.html (11,083 bytes)

170. Re: [TowerTalk] TowerTalk Digest, Vol 39, Issue 58 (score: 1)
Author: TexasRF@aol.com
Date: Wed, 22 Mar 2006 20:27:23 EST
After handling literally thousands of 20G and 25G tower sections I can positively state that 20G has seven horizontal and six diagonal braces per side, the legs are made of 18 ga. steel and weighs 32
/archives//html/Towertalk/2006-03/msg00457.html (33,320 bytes)

171. Re: [TowerTalk] Can you ident me? (score: 1)
Author: TexasRF@aol.com
Date: Thu, 23 Mar 2006 15:33:17 EST
Rohn has no painted section or at least has not over the past 28 years. The G in their model numbers signifies a galvanized finish. 73, Gerald K5GW In a message dated 3/22/2006 9:46:46 P.M. Central S
/archives//html/Towertalk/2006-03/msg00468.html (7,301 bytes)

172. Re: [TowerTalk] The simple Gamma Match? (score: 1)
Author: TexasRF@aol.com
Date: Thu, 18 May 2006 15:07:31 EDT
Dino, Here is some info to get you pointed in the correct direction: When you try to measure the telescoping tube type capacitance directly it likely requires quite a bit of lead length to connect to
/archives//html/Towertalk/2006-05/msg00342.html (12,374 bytes)

173. Re: [TowerTalk] Texas Towers... (score: 1)
Author: TexasRF@aol.com
Date: Tue, 15 Aug 2006 15:35:44 EDT
Hi Rich, we cater primarily to ham radio operators. We get very few requests for 65G and are not equipped to handle the long and heavy sections. Once upon a time we handled Andrew cables but the ham
/archives//html/Towertalk/2006-08/msg00455.html (7,541 bytes)

174. Re: [TowerTalk] Rohn 55 thimbles and turnbuckles (score: 1)
Author: TexasRF@aol.com
Date: Sat, 2 Sep 2006 10:50:21 EDT
Hi All, here is a bit of clarification on the Big Grip and thimble size issues: Rohn does not make Big Grips; Preformed Line Products Co. makes them and sells them to Rohn. 1/4" EHS uses a BG2144. Al
/archives//html/Towertalk/2006-09/msg00038.html (14,780 bytes)

175. Re: [TowerTalk] NO climbing (score: 1)
Author: TexasRF@aol.com
Date: Wed, 13 Sep 2006 12:19:30 EDT
Also Jim, please tell the rest of us about this source when you find out as the need does come up from time to time. 73, Gerald K5GW In a message dated 9/13/2006 10:26:19 A.M. Central Daylight Time,
/archives//html/Towertalk/2006-09/msg00467.html (7,822 bytes)

176. Re: [TowerTalk] And now for something completely different(TrueNorth) (score: 1)
Author: TexasRF@aol.com
Date: Mon, 18 Sep 2006 10:52:22 EDT
Here is a golden opportunity for a talented computer programmer! If Polaris makes the rotation as described then it passes right through true north twice per rotation. The needed software will tell u
/archives//html/Towertalk/2006-09/msg00637.html (10,118 bytes)

177. Re: [TowerTalk] Shunt-Fed Tower Electrical Length (score: 1)
Author: TexasRF@aol.com
Date: Mon, 18 Sep 2006 11:13:46 EDT
Just thinking about this question says one of three answers might work here: network for each frequency of interest. The usual shunt feed matching network will likely provide much of the matching cap
/archives//html/Towertalk/2006-09/msg00638.html (8,496 bytes)

178. Re: [TowerTalk] Mystery Rotor (score: 1)
Author: TexasRF@aol.com
Date: Wed, 27 Sep 2006 11:02:26 EDT
A rotator unit this old probably has a dead phase shift motor capacitor in the control box. Over time the electrolyte dries out and the capacitor turns into a resistor. New capacitors are available f
/archives//html/Towertalk/2006-09/msg00894.html (9,633 bytes)

179. Re: [TowerTalk] homebrew low voltage surge suppressors? (score: 1)
Author: TexasRF@aol.com
Date: Wed, 27 Sep 2006 12:33:45 EDT
When/who was reporting that a metal conduit would act as a lightning choke for cables running inside? 73/k5gw In a message dated 9/27/2006 11:30:03 A.M. Central Daylight Time, K7LXC@aol.com writes: N
/archives//html/Towertalk/2006-09/msg00904.html (9,373 bytes)

180. Re: [TowerTalk] Am I asking for trouble? - tower loading (score: 1)
Author: TexasRF@aol.com
Date: Sun, 15 Oct 2006 15:18:33 EDT
Crank up towers using manual winches do not like to lower when strong winds are blowing. The weight of the sections is not great enough to overcome the binding forces between sections. Most if not al
/archives//html/Towertalk/2006-10/msg00408.html (9,905 bytes)


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