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61. [TowerTalk] optimum height (score: 1): Author: alsopb@gloryroad.net (alsopb); Date: Sat, 28 Jul 2001 16:18:19 +0000; As stated originally the boom length in the formula is in wavelengths. A 47' boom is about .7 wavelength on 40 meters. The formula predicts a spacing of .84 wavelenth or about 56 feet. 73 -- FAQ on W; /archives//html/Towertalk/2001-07/msg00608.html (8,574 bytes)
62. [TowerTalk] optimum height (score: 1): Author: alsopb@gloryroad.net (alsopb); Date: Sat, 28 Jul 2001 18:32:41 +0000; OOps. Thinking of a 67 foot dipole in the math. Of course the wavelenth should be about 140'. (the product of approx 3'/M X 40M much greater than 67' DUH!) 73 de Brian/K3KO -- FAQ on WWW: http://www.; /archives//html/Towertalk/2001-07/msg00617.html (11,010 bytes)
63. [TowerTalk] Pier pin vs. burying in concrete- Definition time (score: 1): Author: alsopb@gloryroad.net (alsopb); Date: Fri, 01 Jun 2001 20:13:32 +0000; How does the presence of a 1/2 to 1" thick coating of ice on the tower base and plate affect the ability of the plate to rotate? It seems that kind of condition is exactly when the added safety facto; /archives//html/Towertalk/2001-06/msg00027.html (12,688 bytes)
64. [TowerTalk] More ad hype (score: 1): Author: alsopb@gloryroad.net (alsopb); Date: Sat, 02 Jun 2001 14:44:00 +0000; "Having an antenna which will require you to bolt your transmitter to the table less it be drawn up into the antenna along with the rest of the RF should raise the signal at the receiving station by; /archives//html/Towertalk/2001-06/msg00037.html (7,528 bytes)
65. [TowerTalk] Breaking up guy wires for nonresonance (score: 1): Author: alsopb@gloryroad.net (alsopb); Date: Fri, 08 Jun 2001 10:32:37 +0000; What Guy is saying is: There is a million ways to do it wrong and shoot yourself in the foot. There are only a few ways to do it right. Absent any concrete data or analysis proving you've done it rig; /archives//html/Towertalk/2001-06/msg00119.html (18,534 bytes)
66. [TowerTalk] Quest for better (score: 1): Author: alsopb@gloryroad.net (alsopb); Date: Fri, 08 Jun 2001 11:12:23 +0000; For years I have settled for an 80M dipole 60' up. My particular interest is to target EU. According to YT arrival angle data, most of the action is in the 12 to 20 degree range and also in the 2 to; /archives//html/Towertalk/2001-06/msg00121.html (8,627 bytes)
67. [TowerTalk] copper roofs? (score: 1): Author: alsopb@gloryroad.net (alsopb); Date: Sat, 09 Jun 2001 23:18:20 +0000; A friend of mine moved into a new qth. Unfortunately (or maybe fortunately) the property has a large garage/barn type building with a copper roof. Crude modeling of it indicated it messed up the patt; /archives//html/Towertalk/2001-06/msg00155.html (7,627 bytes)
68. [TowerTalk] Antenna surface area (score: 1): Author: alsopb@gloryroad.net (alsopb); Date: Sun, 10 Jun 2001 11:01:58 +0000; It appears that mother nature knows all about the calculation of wind force. She knows that arrays have an effective surface area less than the sum of the areas of the individual elements. Another wa; /archives//html/Towertalk/2001-06/msg00174.html (13,475 bytes)
69. [TowerTalk] Ginpole for 20 foot sections (score: 1): Author: alsopb@gloryroad.net (alsopb); Date: Wed, 13 Jun 2001 19:58:55 +0000; Guys, There is a very simple way to figure the mechanical advantage without any understanding for forces et al. With the rope/pully arrangement in place: 1) Move the rope you pull on, say 5 feet. 2); /archives//html/Towertalk/2001-06/msg00320.html (12,762 bytes)
70. [TowerTalk] quad ant (score: 1): Author: alsopb@gloryroad.net (alsopb); Date: Mon, 18 Jun 2001 00:50:41 +0000; That's how GEM quad tells you to do it. You first pound a small diameter pipe in the ground,put the boom over it and position boom and the spiders with a hose clamps. You then align the quad loops an; /archives//html/Towertalk/2001-06/msg00436.html (9,649 bytes)
71. [TowerTalk] 100 ton "tower" epoxied together (score: 1): Author: alsopb@gloryroad.net (alsopb); Date: Mon, 18 Jun 2001 18:45:44 +0000; Any of you questioning the strength of epoxy and pins should read this. "JERUSALEM (AP) After a thousand years in pieces, an ancient Roman obelisk stood proudly again Monday in the seaport of Caesari; /archives//html/Towertalk/2001-06/msg00450.html (7,397 bytes)
72. [TowerTalk] Need help locating Rohn BXB 7-8 (score: 1): Author: alsopb@gloryroad.net (alsopb); Date: Fri, 29 Jun 2001 14:45:57 +0000; This practice recommended by Rohn has me a bit puzzled. Rebar in the concrete has to stop 3" from the end of the concrete on all sides. The reason given is that they will rust, disintegrate and form; /archives//html/Towertalk/2001-06/msg00617.html (10,261 bytes)
73. [TowerTalk] Quad Question(s) (score: 1): Author: alsopb@gloryroad.net (alsopb); Date: Wed, 02 May 2001 11:30:26 +0000; Richard, I've worked with this stuff helping a friend with his Lightning Bolt Quad. It is impossible to work with because takes a permanent set. It is as bad or worse than copperweld because the loop; /archives//html/Towertalk/2001-05/msg00042.html (11,519 bytes)
74. [TowerTalk] answers re rotor control bulb (score: 1): Author: alsopb@gloryroad.net (alsopb); Date: Wed, 02 May 2001 11:44:18 +0000; The benefit to using the 1819 is that you can get it at Radio Shack. One of them doesn't put out enough light. There is a solution. Buy a second socket and parallel two of 1819's. It then produces ad; /archives//html/Towertalk/2001-05/msg00043.html (11,363 bytes)
75. [TowerTalk] HV radio to reduce SW xmissions (score: 1): Author: alsopb@gloryroad.net (alsopb); Date: Wed, 02 May 2001 19:19:23 +0000; Vatican Radio agreed to reduce some short-wave transmissions to comply with tough Italian environmental regulations. . . Vatican Radio direction said that the station would either move or stop using; /archives//html/Towertalk/2001-05/msg00056.html (7,406 bytes)
76. [TowerTalk] Rotator Control Bulbs (score: 1): Author: alsopb@gloryroad.net (alsopb); Date: Thu, 03 May 2001 08:24:35 +0000; Stan, I've never seen the plastic case control boxes for any other use than HAMm's. Have had several 2's, 3's and 4's here and they all had metal cases control boxes. These units all have meter indic; /archives//html/Towertalk/2001-05/msg00067.html (9,209 bytes)
77. [TowerTalk] Ham4 (score: 1): Author: alsopb@gloryroad.net (alsopb); Date: Thu, 03 May 2001 20:40:49 +0000; Hi Wilf, Thanks info. I wonder if they were all sent to Canada. Of the 7 boxes I had here through the years one (Ham-m) was a tiny plastic box. The rest were big two tone metal boxes. One was for a H; /archives//html/Towertalk/2001-05/msg00084.html (8,977 bytes)
78. [TowerTalk] Using extra anchors (score: 1): Author: alsopb@gloryroad.net (alsopb); Date: Sat, 05 May 2001 20:04:13 +0000; Eric, The Glenn-Martin 70' aluminium tower is on a tilt base. It is supposed to be able to be erected by a small group of people. Being aluminium, there isn't the weight problem of Rohn 25. I believe; /archives//html/Towertalk/2001-05/msg00161.html (12,490 bytes)
79. [TowerTalk] raising tall structures (score: 1): Author: alsopb@gloryroad.net (alsopb); Date: Sun, 06 May 2001 02:24:07 +0000; Good question Brian. Maybe you should ask the group. Possibly the "falling derrick" technique? 73, Tom N4KG On Sat, 05 May 2001 20:12:46 +0000 alsopb <alsopb@gloryroad.net> writes: ___ List Sponsor:; /archives//html/Towertalk/2001-05/msg00167.html (8,729 bytes)
80. [TowerTalk] Questions on my tower (score: 1): Author: alsopb@gloryroad.net (alsopb); Date: Wed, 16 May 2001 12:31:14 +0000; Tom, Not sure about this statement. I suspect dead weight is important to crank up towers. I know HAZER's have a dead weight limit. True, this is not a tower limit but one has to consider the entire; /archives//html/Towertalk/2001-05/msg00349.html (8,788 bytes)

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