- 61. [TowerTalk] Power x RG58 (score: 1)
- Author: w8ji.tom@MCIONE.com (w8ji.tom)
- Date: Sun, 08 Nov 1998 14:48:07 -0500
- inexpensive The Handbook is correct. It will handle 1500 watts CW and SSB below 10 MHz. I use it in jumpers, sometimes even on the test bench. Sometimes I run up to 5 kW through it on higher frequen
- /archives//html/Towertalk/1998-11/msg00205.html (9,018 bytes)
- 62. [TowerTalk] Ameritron Remote Controlled Switches (score: 1)
- Author: w8ji.tom@MCIONE.com (w8ji.tom)
- Date: Mon, 09 Nov 1998 10:20:49 -0500
- Hi Steve, Amphenol of The voltage rating might be greater in catalogs, but in real world hi-pot tests N connectors always arced at much lower voltage than properly assembled PL-259's!! The biggest pr
- /archives//html/Towertalk/1998-11/msg00229.html (10,780 bytes)
- 63. [TowerTalk] Ameritron Remote Controlled Switches (score: 1)
- Author: w8ji.tom@MCIONE.com (w8ji.tom)
- Date: Tue, 10 Nov 1998 08:47:56 -0500
- Hi Steve, One 160 meter system of mine is fed via 500 feet of 7/8inch heliax and in a rush I left an "N" connector on it. It feeds a pair of phased dipoles for 160, that's a fairly narrow SWR bandwid
- /archives//html/Towertalk/1998-11/msg00255.html (11,947 bytes)
- 64. [TowerTalk] Attaching junction box to tower? (score: 1)
- Author: w8ji.tom@MCIONE.com (w8ji.tom)
- Date: Wed, 11 Nov 1998 09:53:02 -0500
- Hi Barry, If you are going to attach it to a tower, think again. If it is anywhere near the tower the antenna will pick up a lot of re-radiated signal from the tower, feedlines, etc. Attach the box t
- /archives//html/Towertalk/1998-11/msg00293.html (7,910 bytes)
- 65. [TowerTalk] aiming a rotor: true vs. magnetic (score: 1)
- Author: w8ji.tom@MCIONE.com (w8ji.tom)
- Date: Wed, 11 Nov 1998 11:01:40 -0500
- Not only that, but the signal often skews from the great circle path anyway! While it is nice to know which way is sorta north, this stuff isn't like working moonbounce. 73 Tom -- FAQ on WWW: http:/
- /archives//html/Towertalk/1998-11/msg00294.html (9,003 bytes)
- 66. [TowerTalk] Attaching junction box to tower? (score: 1)
- Author: w8ji.tom@MCIONE.com (w8ji.tom)
- Date: Wed, 11 Nov 1998 13:38:54 -0500
- Hi Jim, years I can't imagine running Beverages up to a tower, and expecting them to work, for a number of reasons. 1.) The tower re-radiates signals. 2.) The Beverages all couple to each other when
- /archives//html/Towertalk/1998-11/msg00308.html (8,305 bytes)
- 67. [TowerTalk] THREADS (score: 1)
- Author: w8ji.tom@MCIONE.com (w8ji.tom)
- Date: Thu, 12 Nov 1998 10:52:36 -0500
- Hi Stew, So do I! That's why I enjoy this reflector. It basically is a non-hostile environment where people can learn things. Among the major things I've learned that never dawned on me (and should h
- /archives//html/Towertalk/1998-11/msg00399.html (7,578 bytes)
- 68. [TowerTalk] Re: Simple way to find north (score: 1)
- Author: w8ji.tom@MCIONE.com (w8ji.tom)
- Date: Fri, 13 Nov 1998 09:10:40 -0500
- I have three ways to find due north. 1.) Look for rusty cars. 2.) Look for moss on the north side of the upside-down cars in my neighbor's yard. 3.) Geoclock. When the sun was due South according to
- /archives//html/Towertalk/1998-11/msg00424.html (7,011 bytes)
- 69. [TowerTalk] Skewed Path to BQ9P (score: 1)
- Author: w8ji.tom@MCIONE.com (w8ji.tom)
- Date: Fri, 13 Nov 1998 09:18:34 -0500
- Snip. 4-square signal 'SEND' at is Hi Dick, That happens all the time. I used to work VS6DO, and his signal would vary from southwest to northwest on 160, 80 and 40. The VK's sometimes come in southw
- /archives//html/Towertalk/1998-11/msg00425.html (8,278 bytes)
- 70. [TowerTalk] Triex question (score: 1)
- Author: w8ji.tom@MCIONE.com (w8ji.tom)
- Date: Mon, 16 Nov 1998 20:29:28 -0500
- A friend of mine called and asked if a Tri-ex TM-490 was a good tower. It is used (I have no idea about the condition) tower. He said the fellow selling it wants $2000, and told him it was a 90 foote
- /archives//html/Towertalk/1998-11/msg00527.html (6,795 bytes)
- 71. [TowerTalk] Re: linear loading (score: 1)
- Author: w8ji.tom@MCIONE.com (w8ji.tom)
- Date: Mon, 16 Nov 1998 10:20:50 -0500
- Hi Pete, that this. That's a tough question Pete. It is pretty easy to get an unfair comparison. **Of course this might not apply to systems that are not properly optimized, anything can happen when
- /archives//html/Towertalk/1998-11/msg00528.html (10,053 bytes)
- 72. [TowerTalk] Re: linear loading (score: 1)
- Author: w8ji.tom@MCIONE.com (w8ji.tom)
- Date: Wed, 18 Nov 1998 01:59:04 +0000
- Hi Guy, I'm not sure what W4AN's policy is on postings, so this is only to you and Pete. If you want to re-post it...feel free. I personally thought the reflector was pretty good, but maybe it is not
- /archives//html/Towertalk/1998-11/msg00555.html (11,255 bytes)
- 73. [TowerTalk] Re: linear loading (score: 1)
- Author: w8ji.tom@MCIONE.com (w8ji.tom)
- Date: Wed, 18 Nov 1998 18:05:57 -0500
- Hi Cebik, I was hoping you'd say something, since I know you modeled this type of thing a lot. I appreciate your work, some of it is really detailed. situations, It is also my understanding NEC also
- /archives//html/Towertalk/1998-11/msg00581.html (13,838 bytes)
- 74. [TowerTalk] Air wound bauln? (score: 1)
- Author: w8ji.tom@MCIONE.com (w8ji.tom)
- Date: Wed, 18 Nov 1998 19:11:14 -0500
- Hi Brian, That means it was a voltage balun, the worse kind to use for insuring good balance. That also means full feedline voltage is applied across the thin enamel insulation. Peak voltage is 1.414
- /archives//html/Towertalk/1998-11/msg00582.html (8,010 bytes)
- 75. [TowerTalk] Re: linear loading (score: 1)
- Author: w8ji.tom@MCIONE.com (w8ji.tom)
- Date: Wed, 18 Nov 1998 21:05:57 -0500
- Exactly what is a "critically coupled" element? Where does one find that definition, or what makes it "critically coupled"? variation a antennas 73 Tom -- FAQ on WWW: http://www.contesting.com/towert
- /archives//html/Towertalk/1998-11/msg00584.html (8,577 bytes)
- 76. [TowerTalk] Re: linear loading (score: 1)
- Author: w8ji.tom@MCIONE.com (w8ji.tom)
- Date: Wed, 18 Nov 1998 22:34:11 -0500
- Hi Guy, This is about all I can add. I think the confusion stems from thinking it is proximity of the coil to ground that causes the detuning. That is not true at all, of all the parts of the antenna
- /archives//html/Towertalk/1998-11/msg00585.html (14,002 bytes)
- 77. [TowerTalk] Re: linear loading (score: 1)
- Author: w8ji.tom@MCIONE.com (w8ji.tom)
- Date: Thu, 19 Nov 1998 11:46:34 -0500
- Thanks Ben and LB, I understood the standard meaning of "critical coupling", and now I think I know what was meant in this case. I don't understand why it is starting to appear in antennas. I agree w
- /archives//html/Towertalk/1998-11/msg00610.html (8,155 bytes)
- 78. [TowerTalk] Ground clamps on 25G (score: 1)
- Author: w8ji.tom@MCIONE.com (w8ji.tom)
- Date: Fri, 20 Nov 1998 08:12:10 -0500
- I'll second this... Bronze is a very good material to use for an interface. 73 Tom -- FAQ on WWW: http://www.contesting.com/towertalkfaq.html Submissions: towertalk@contesting.com Administrative requ
- /archives//html/Towertalk/1998-11/msg00614.html (8,184 bytes)
- 79. [TowerTalk] Ground clamps on 25G (score: 1)
- Author: w8ji.tom@MCIONE.com (w8ji.tom)
- Date: Sat, 21 Nov 1998 23:20:41 -0500
- Hi Barry, Sure is. Some materials self-contaminate with an oxide that insulates the connection, like aluminum. Other materials are so hard they don't conform well to the surface they are clamping to,
- /archives//html/Towertalk/1998-11/msg00624.html (10,610 bytes)
- 80. [TowerTalk] Sloper Question (score: 1)
- Author: w8ji.tom@MCIONE.com (w8ji.tom)
- Date: Sun, 22 Nov 1998 19:03:31 -0500
- Hi Eric, You seem to be saying by choosing the proper attachment point, the tower radiates and the sloper does not. Since the sloper has to carry exactly the same common mode current as the tower, pe
- /archives//html/Towertalk/1998-11/msg00633.html (9,180 bytes)
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