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41. [TowerTalk] Standing up 90 ft of 25G (score: 1): Author: Dennis OConnor <ad4hk2004@yahoo.com>; Date: Tue, 4 Sep 2007 05:51:27 -0700 (PDT); Holy post hole, Batman - did you see the bend in the raising mast? Just this side of collapse and those guys were directly under a 612 pound steel hammer... Talk about putting a square peg into a rou; /archives//html/Towertalk/2007-09/msg00104.html (6,630 bytes)
42. [TowerTalk] LMR400-PL259s (score: 1): Author: Dennis OConnor <ad4hk2004@yahoo.com>; Date: Wed, 5 Sep 2007 04:46:50 -0700 (PDT); Just ran a thousand foot piece of LMR400 through the woods, almost to Grandmother's house, for the new 'killer' antenna for this contest season... My biggest problem is that I don't know where my lit; /archives//html/Towertalk/2007-09/msg00176.html (6,920 bytes)
43. [TowerTalk] putting a reflector below a 75 meter inverted (score: 1): Author: Dennis OConnor <ad4hk2004@yahoo.com>; Date: Mon, 10 Sep 2007 10:22:09 -0700 (PDT); I have done some tests with a horizontal loop and putting a reflector underneath... Also, one year we had Field Day at my place and had an 80 meter horizontal loop at 35 feet with a reflector loop ab; /archives//html/Towertalk/2007-09/msg00300.html (7,409 bytes)
44. [TowerTalk] 160m 1/4 wave vertical help needed (score: 1): Author: Dennis OConnor <ad4hk2004@yahoo.com>; Date: Mon, 17 Sep 2007 05:18:27 -0700 (PDT); Been there, done that, got the scars to prove it... My base is 7 feet high with 12 sections on top of that, with a 10 foot stinger... The MFJ 259 goes nuts when attached to this tower - just picks up; /archives//html/Towertalk/2007-09/msg00568.html (10,425 bytes)
45. [TowerTalk] Free Tower (score: 1): Author: Dennis OConnor <ad4hk2004@yahoo.com>; Date: Mon, 24 Sep 2007 04:14:16 -0700 (PDT); Titan's are free standing, commercial towers.. They are assembled in 8 foot sections and could be disassembled that way... The free standing commercial towers I have taken down I have hired a crane,; /archives//html/Towertalk/2007-09/msg00730.html (6,952 bytes)
46. [TowerTalk] Antenna Switch (score: 1): Author: Dennis OConnor <ad4hk2004@yahoo.com>; Date: Sun, 30 Sep 2007 06:09:48 -0700 (PDT); http://www.arraysolutions.com/Products/sixpak.htm denny / k8do -- Luggage? GPS? Comic books? Check out fitting gifts for grads at Yahoo! Search. _______________________________________________ ______; /archives//html/Towertalk/2007-09/msg00841.html (6,424 bytes)
47. [TowerTalk] Swapping out a T2X & Wasps... (score: 1): Author: Dennis OConnor <ad4hk2004@yahoo.com>; Date: Thu, 4 Oct 2007 11:43:51 -0700 (PDT); Kim, I have been up and down my towers the past couple weeks... At roughly 60-70 feet on all three towers I have paper wasps buzzing in my face... There is nothing on the tower(s) at that level to at; /archives//html/Towertalk/2007-10/msg00095.html (7,394 bytes)
48. [TowerTalk] re Wooden poles (score: 1): Author: Dennis OConnor <ad4hk2004@yahoo.com>; Date: Thu, 4 Oct 2007 11:52:52 -0700 (PDT); Unless you have the equipment and muscle to move and install a power co. pole yourself, it is likely not economical... A recent NCJ article (from memory) was some $14K for an 82 foot free standing po; /archives//html/Towertalk/2007-10/msg00096.html (6,823 bytes)
49. [TowerTalk] Wooden Poles;Vibrations, Vortex Shedding (score: 1): Author: Dennis OConnor <ad4hk2004@yahoo.com>; Date: Mon, 8 Oct 2007 04:51:27 -0700 (PDT); Recently, sitting in the shack with some local hams... I was leaning back in the command chair, feet comfortably on the desk... A question was raised about an issue that needed a numerical answer...; /archives//html/Towertalk/2007-10/msg00170.html (7,639 bytes)
50. [TowerTalk] [CQ-Contest] Skyhawk, KT36XA, opinions requested (score: 1): Author: Dennis OConnor <ad4hk2004@yahoo.com>; Date: Wed, 10 Oct 2007 04:22:34 -0700 (PDT); I have used a KT34XA for nearly 20 years... It is currently at 120 feet... At no time did I feel handicapped... Ward and Steve did good with their book... I won't get into the hoo haa over what anten; /archives//html/Towertalk/2007-10/msg00214.html (7,398 bytes)
51. [TowerTalk] Inverted L for 160 Meters (score: 1): Author: Dennis OConnor <ad4hk2004@yahoo.com>; Date: Mon, 15 Oct 2007 04:09:35 -0700 (PDT); You need radials... The more the better... denny / k8do denny / k8do -- Tonight's top picks. What will you watch tonight? Preview the hottest shows on Yahoo! TV. _____________________________________; /archives//html/Towertalk/2007-10/msg00283.html (6,905 bytes)
52. [TowerTalk] crimp on pl259s (score: 1): Author: Dennis OConnor <ad4hk2004@yahoo.com>; Date: Mon, 15 Oct 2007 04:43:29 -0700 (PDT); Steve does a nice job... For HF I do not bother with soldering the center pin... I simply crimp it... Maybe for VHF I might think about soldering (probably not, being essentially lazy).. You have to; /archives//html/Towertalk/2007-10/msg00284.html (7,143 bytes)
53. [TowerTalk] Figuring degrees of a coax line (score: 1): Author: Dennis OConnor <ad4hk2004@yahoo.com>; Date: Wed, 17 Oct 2007 05:20:57 -0700 (PDT); Yup, your method will work... A bit more accurate way is to use your antenna analyzer (or an RF generator) as an rf voltage source and a VOM with an RF voltage probe... (you can make an RF probe in m; /archives//html/Towertalk/2007-10/msg00355.html (9,090 bytes)
54. [TowerTalk] ATTN: Equipment Manufacturers who lurk here... (score: 1): Author: Dennis OConnor <ad4hk2004@yahoo.com>; Date: Wed, 17 Oct 2007 05:42:02 -0700 (PDT); While I am not at all defending bad manuals, I think you are over reacting a bit... The keying line INPUT is likely a simple 'ground it to transmit' input... Power it up and ground that connector and; /archives//html/Towertalk/2007-10/msg00358.html (7,313 bytes)
55. [TowerTalk] THHN wire problem (score: 1): Author: Dennis OConnor <ad4hk2004@yahoo.com>; Date: Tue, 23 Oct 2007 14:08:47 -0700 (PDT); The green oxidation is from water intrusion, not from the jacket... It causes no harm for use as a radial... Keep on transmitting... denny / k8do denny / k8do ________________________________________; /archives//html/Towertalk/2007-10/msg00580.html (7,123 bytes)
56. [TowerTalk] elevation-angle statistical files for YT (score: 1): Author: Dennis OConnor <ad4hk2004@yahoo.com>; Date: Thu, 1 Nov 2007 05:28:24 -0700 (PDT); A 1 degree response angle on low bands is fantasy... I would not use that criteria as my guide for a location... denny / k8do __________________________________________________ Do You Yahoo!? Tired o; /archives//html/Towertalk/2007-11/msg00000.html (6,250 bytes)
57. [TowerTalk] Line Noise (score: 1): Author: Dennis OConnor <ad4hk2004@yahoo.com>; Date: Thu, 13 Dec 2007 05:33:39 -0800 (PST); As I have commented on several of these forums, I have developed a severe line noise problem that especially plagues my 160 operations.. During the ARRL 160 it wiped us out on the NE Beverage being 3; /archives//html/Towertalk/2007-12/msg00213.html (10,494 bytes)
58. Re: [TowerTalk] Line Noise (score: 1): Author: Dennis OConnor <ad4hk2004@yahoo.com>; Date: Thu, 13 Dec 2007 09:34:10 -0800 (PST); Thanks for all the comments so far... Well, the final chapter is not written yet... But I hope the fact that the pole is charred may speed up their desire to repair it - before it catches fire... I g; /archives//html/Towertalk/2007-12/msg00221.html (8,658 bytes)
59. [TowerTalk] Linear loaded 160 L (score: 1): Author: Dennis OConnor <ad4hk2004@yahoo.com>; Date: Fri, 14 Dec 2007 04:28:29 -0800 (PST); Tom, there is reasonable evidence that linear loading is not as efficient as claimed and that net power is improved by using a decent coil and/or top hats... Can you convert the L into a resonant Tee; /archives//html/Towertalk/2007-12/msg00233.html (7,179 bytes)
60. [TowerTalk] RF Relay QUestion (score: 1): Author: Dennis OConnor <ad4hk2004@yahoo.com>; Date: Sun, 16 Dec 2007 05:53:05 -0800 (PST); I just purchased a couple dozen of the project relays from WX0B for a project <natch>/// They are standard relay frames/coils that he has a jobber mount a set of RF rated contacts on... They are conf; /archives//html/Towertalk/2007-12/msg00248.html (7,358 bytes)

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