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Total 256 documents matching your query.

161. Re: [TowerTalk] Cadwelding and grounding nightmare (score: 1)
Author: "Pat Barthelow" <aa6eg@hotmail.com>
Date: Sun, 17 Jun 2007 21:33:25 -0700
Folks: For whatever they are worth, here are some pictures of a cell site ground system under construction near N6IJ. There may be clues to cadweld tecniques within the close up images of the Cadweld
/archives//html/Towertalk/2007-06/msg00539.html (8,454 bytes)

162. [TowerTalk] EMI concerns;Detectors/Radiation Allergies (score: 1)
Author: "Pat Barthelow" <aa6eg@hotmail.com>
Date: Mon, 18 Jun 2007 09:04:14 -0700
Oh my god.... This morning's Good Morning America, entertainment show (I shudder to call it news) has a piece about Sarah Dacre from England. Seems Sarah has an allergy to Electromagnetic Radiation,
/archives//html/Towertalk/2007-06/msg00556.html (8,459 bytes)

163. Re: [TowerTalk] Crimp or Solder (score: 1)
Author: "Pat Barthelow" <aa6eg@hotmail.com>
Date: Thu, 21 Jun 2007 07:27:13 -0700
Hello Greg, Uh - Oh... This is almost like the true north thread. Well discussed, addressed, here. Crimp Connectors seem to have every thing...Reliability, speed/ease of installation, longevity, if p
/archives//html/Towertalk/2007-06/msg00676.html (8,865 bytes)

164. [TowerTalk] Hawaii TT Ham Scene (score: 1)
Author: "Pat Barthelow" <aa6eg@hotmail.com>
Date: Fri, 22 Jun 2007 14:47:44 -0700
Folks: I may be going to Hawaii on the North Shore; Oahu, Pupukea-Paumalu, working 2 monthsl, (At least) at Marisat Dish farm. Have a place 100 yds from North Shore Pacific ocean at Sharks Cove. Anyo
/archives//html/Towertalk/2007-06/msg00713.html (9,105 bytes)

165. Re: [TowerTalk] Tower design question (score: 1)
Author: "Pat Barthelow" <aa6eg@hotmail.com>
Date: Fri, 29 Jun 2007 08:16:23 -0700
Perhaps I have missed this in the thread, but has anyone described the mechanism of accumulation of water at the base of the corner tubing, of Rohn 25-Like towers? Some outside the box thinking... If
/archives//html/Towertalk/2007-06/msg00896.html (9,012 bytes)

166. Re: [TowerTalk] Trylon safety rail system (score: 1)
Author: "Pat Barthelow" <aa6eg@hotmail.com>
Date: Mon, 02 Jul 2007 08:17:57 -0700
I've gptta learn more about the safety cable system. We eventually will need one at Jamesburg. I still think that a paradigm shift to considering a stout, new, pressure treated, class one utility pol
/archives//html/Towertalk/2007-07/msg00065.html (11,192 bytes)

167. [TowerTalk] Stadiums as Tower/Contest Locations (score: 1)
Author: "Pat Barthelow" <aa6eg@hotmail.com>
Date: Mon, 02 Jul 2007 10:07:55 -0700
Folks: A ham friend in Argentina says on some contest weekends, the local sports stadiums sprout towers and antennas from the local contest clubs. I always thought they would be a great place to put
/archives//html/Towertalk/2007-07/msg00081.html (8,189 bytes)

168. Re: [TowerTalk] Stadiums as Tower/Contest Locations (score: 1)
Author: "Pat Barthelow" <aa6eg@hotmail.com>
Date: Mon, 02 Jul 2007 14:39:37 -0700
I have observed the development process, and know some folks who are "players". What I observed, is that because there are often Billions of dollars on the table, by various stakeholders, that there
/archives//html/Towertalk/2007-07/msg00102.html (12,492 bytes)

169. Re: [TowerTalk] Stadiums as Tower/Contest Locations (score: 1)
Author: "Pat Barthelow" <aa6eg@hotmail.com>
Date: Wed, 04 Jul 2007 07:22:01 -0700
If Noise from lighting and other souces was not a show stopper, after I looked at the whole stadium business via the internet, they seem to still be quite an interesting option to solve the growing d
/archives//html/Towertalk/2007-07/msg00192.html (16,505 bytes)

170. Re: [TowerTalk] Stadiums as Tower/Contest Locations (score: 1)
Author: "Pat Barthelow" <aa6eg@hotmail.com>
Date: Wed, 04 Jul 2007 16:04:12 -0700
At Monterey Peninsula College Field they had 18 x 2KW lamps for 36 KW per pole x 4 poles at the field on each 100 ft support. The light emitted was quite blue-white, as opposed to yellow-ish. Call it
/archives//html/Towertalk/2007-07/msg00206.html (13,905 bytes)

171. Re: [TowerTalk] Insulators (score: 1)
Author: "Pat Barthelow" <aa6eg@hotmail.com>
Date: Fri, 20 Jul 2007 09:38:48 -0700
Hi Ron, I had some of the chains of disk ceramic insulators, some years back, and printing, etched into the ceramic disks were load ratings, I think they were 10,000 lbs. I was surprised at how high
/archives//html/Towertalk/2007-07/msg00790.html (8,333 bytes)

172. [TowerTalk] Intresting RF info Site (score: 1)
Author: "Pat Barthelow" <aa6eg@hotmail.com>
Date: Fri, 20 Jul 2007 10:34:06 -0700
While looking for an epoxilator Insulator picture on the web I stumbled on a very interesting website, that has a lot of interesting RF tidbits, products, papers, etc...and I have no affiliation with
/archives//html/Towertalk/2007-07/msg00796.html (7,338 bytes)

173. Re: [TowerTalk] How close does a vertical have to be to saltwatertosee any bene (score: 1)
Author: "Pat Barthelow" <aa6eg@hotmail.com>
Date: Thu, 26 Jul 2007 19:01:27 -0700
Some good stuff from Team Vertical's Jamaica Beach Contest Experiences: http://www.k2kw.com/verticals/tests.html http://www.k2kw.com/verticals/whyvert.html http://www.k2kw.com/verticals/learning.html
/archives//html/Towertalk/2007-07/msg00996.html (10,295 bytes)

174. Re: [TowerTalk] Grounding Standard (score: 1)
Author: "Pat Barthelow" <aa6eg@hotmail.com>
Date: Thu, 26 Jul 2007 22:05:35 -0700
Folks: Judging from what I have seen and read, from the works of Jim at Audio Systems group, I put him at a similar Level on matters relating to EMI, RFI, grounding, and a number of other topics, as
/archives//html/Towertalk/2007-07/msg01001.html (10,917 bytes)

175. Re: [TowerTalk] How close does a vertical have to be to saltwatertoseeany benef (score: 1)
Author: "Pat Barthelow" <aa6eg@hotmail.com>
Date: Fri, 27 Jul 2007 17:05:45 -0700
interesting if your verticals are literally on the wet, sandy beach, if you have that luxury. Another anecdote: Type in: Monterey Bay Aquarium in Google Maps, and get a map of what the locals call "
/archives//html/Towertalk/2007-07/msg01048.html (11,865 bytes)

176. Re: [TowerTalk] How close does a vertical have to be to (score: 1)
Author: "Pat Barthelow" <aa6eg@hotmail.com>
Date: Fri, 27 Jul 2007 23:35:29 -0700
Some HF sites to Die For! Those Salty Dogs Knew! I shudder to think about what the tower maintenance costs were here! Old man, Mr Tesla really knew what he was doing! As does Tom of Force 12 with his
/archives//html/Towertalk/2007-07/msg01060.html (10,227 bytes)

177. Re: [TowerTalk] How close does a vertical have to be tosaltwatertoseeany benef (score: 1)
Author: "Pat Barthelow" <aa6eg@hotmail.com>
Date: Sat, 28 Jul 2007 22:03:16 -0700
Thanks for the kind words, Chris, A few of years back I gathered a Ham group to tour KGO studios and Transmitter site. What an E ticket. KGO is one of the most powerful, (50KW) widely heard audience,
/archives//html/Towertalk/2007-07/msg01089.html (10,589 bytes)

178. Re: [TowerTalk] Sweet spot locations: (score: 1)
Author: "Pat Barthelow" <aa6eg@hotmail.com>
Date: Sun, 29 Jul 2007 07:19:27 -0700
I wonder if the sweet spot/sour spot locations are due to local land conditions, or are simply areas of multipath cancellation, caused by interaction of ground wave, and sky wave components, from a g
/archives//html/Towertalk/2007-07/msg01093.html (11,850 bytes)

179. Re: [TowerTalk] Quiet antenna rotators? (score: 1)
Author: "Pat Barthelow" <aa6eg@hotmail.com>
Date: Tue, 31 Jul 2007 06:59:30 -0700
I totally agree with Mark's Statement... But, I wonder if there is an easy circuit that could ramp up the brake solenoid voltage in a gradual way that would lessen or eliminate the clack that present
/archives//html/Towertalk/2007-07/msg01137.html (9,903 bytes)

180. Re: [TowerTalk] Cadweld Question (score: 1)
Author: "Pat Barthelow" <aa6eg@hotmail.com>
Date: Tue, 31 Jul 2007 18:27:50 -0700
73's de Mark N1UK G3ZZM Hi mark and group: Here are some videos of doing a cadweld. Looks to me like you should follow Steve's rule, Do what the manufacturer says, and be safe. Anything else and you
/archives//html/Towertalk/2007-07/msg01148.html (10,331 bytes)


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