- 61. Sorry for post (score: 1)
- Author: W8JITom@aol.com (W8JITom@aol.com)
- Date: Thu Jul 25 23:26:48 1996
- I want to apologize. I shouldn't have posted anything about the antenna article. The author probably tried hard to be helpful and correct. At first, I kind of chuckled. In hindsight, that wasn't very
- /archives//html/CQ-Contest/1996-07/msg00109.html (6,902 bytes)
- 62. A necessary response (score: 1)
- Author: W8JITom@aol.com (W8JITom@aol.com)
- Date: Thu Aug 8 11:31:20 1996
- That's interesting. I wonder if the opinions from your group were based on repeatable scientific evidence, or conclusions reached from review of uncontrolled data bases? Physicians that have worked t
- /archives//html/CQ-Contest/1996-08/msg00042.html (12,814 bytes)
- 63. 40 meter phased array (score: 1)
- Author: W8JITom@aol.com (W8JITom@aol.com)
- Date: Thu Aug 8 14:50:52 1996
- The closest system to the one you described I am aware of actually being measured was at AM radio station in New Jersey. It has a four tower array with closer spaced endfire (~1/4 wl) and broadside (
- /archives//html/CQ-Contest/1996-08/msg00043.html (23,910 bytes)
- 64. RF Exposure Issues (score: 1)
- Author: W8JITom@aol.com (W8JITom@aol.com)
- Date: Thu Aug 8 20:40:18 1996
- SNIP A dot is typically equal to the space between each dot and dash, and a dash is typically three dots long. Typical uninterrupted CW text has an average power less than 40% of the locked down carr
- /archives//html/CQ-Contest/1996-08/msg00049.html (9,501 bytes)
- 65. Who is helping Hams? (score: 1)
- Author: W8JITom@aol.com (W8JITom@aol.com)
- Date: Fri Aug 16 00:34:48 1996
- Does anyone know who is representing amateur in the area of RF exposure (I'm well aware of N6NB). I would like to put them in contact with some private researchers in the field. E-mail direct. 73 Tom
- /archives//html/CQ-Contest/1996-08/msg00099.html (9,865 bytes)
- 66. Do away with all tests! (score: 1)
- Author: W8JITom@aol.com (W8JITom@aol.com)
- Date: Wed Aug 21 21:40:02 1996
- I have nothing against doing math longhand, it is a wonderful tradition in education. I have many friends who know how to (insert one: add, multiply, subtract, divide), and whose skills I admire. I
- /archives//html/CQ-Contest/1996-08/msg00119.html (7,919 bytes)
- 67. 40/80 Phased verticals (score: 1)
- Author: W8JITom@aol.com (W8JITom@aol.com)
- Date: Fri Aug 23 21:20:35 1996
- If you invert the phase of one element via a phase reversing choke a delay line becomes the correct length for all frequencies below 1/4 wl spacing. The null will remain in the same direction without
- /archives//html/CQ-Contest/1996-08/msg00140.html (8,674 bytes)
- 68. N4XM antenna tuner (score: 1)
- Author: W8JITom@aol.com (W8JITom@aol.com)
- Date: Wed Sep 4 10:28:09 1996
- Hi Paul, yes Isn't it just a reversable T network with a fixed capacitor in one leg? In that case, maybe you can explain something that has been bothering me. Why is the case ungrounded except at two
- /archives//html/CQ-Contest/1996-09/msg00017.html (8,205 bytes)
- 69. N4XM antenna tuner (score: 1)
- Author: W8JITom@aol.com (W8JITom@aol.com)
- Date: Fri Sep 6 03:37:12 1996
- Ooops, I thought it was a reader survey, commercial, or resume', and he was looking for some type of input. I apologize for cluttering up the group. Sorry, my error. Sometimes when posts are real lon
- /archives//html/CQ-Contest/1996-09/msg00028.html (18,824 bytes)
- 70. Cable Attenuation Question (score: 1)
- Author: W8JITom@aol.com (W8JITom@aol.com)
- Date: Tue Sep 10 11:06:33 1996
- Hi Jack, The overall attenuation is 1.8 dB, since it is 1.2 dB per 100 ft and you have 150 ft of cable (1.5 times 1.2 dB per 100= 1.8 dB) The overall power loss at 28 MHz would be about 34 watts, you
- /archives//html/CQ-Contest/1996-09/msg00046.html (14,762 bytes)
- 71. TopBand: Shared Beverages ? (Wire type) (score: 1)
- Author: W8JITom@aol.com (W8JITom@aol.com)
- Date: Wed Sep 11 11:51:16 1996
- I have done that, as well as using the Beverages for receiving two directions at the same time without interaction. I build my own components. I have no experience with ICE. You can use a conventiona
- /archives//html/CQ-Contest/1996-09/msg00051.html (22,584 bytes)
- 72. Cable Attenuation Question (score: 1)
- Author: W8JITom@aol.com (W8JITom@aol.com)
- Date: Sun Sep 15 15:25:16 1996
- Hi, I keep seeing this thing about connector loss everywhere I look. It's become accepted as fact in our community, but it's folklore. Here's an example why.... With .1 dB loss per connector, power l
- /archives//html/CQ-Contest/1996-09/msg00073.html (9,663 bytes)
- 73. Elevated Radials on Shunt Fed Vertical (score: 1)
- Author: W8JITom@aol.com (W8JITom@aol.com)
- Date: Tue Sep 17 13:38:40 1996
- Hi Scott, This question has been "bugging" me for years now. I have attempted to measure a system here, and I have measurements made at a broadcast station (made by other people) showing elevated rad
- /archives//html/CQ-Contest/1996-09/msg00084.html (13,013 bytes)
- 74. DVP Hum (score: 1)
- Author: W8JITom@aol.com (W8JITom@aol.com)
- Date: Thu Sep 19 13:36:18 1996
- That's a big problem with any external audio accessory. I have that problem with a VOMAX audio processor. Sometimes the problem can be eliminated by direct grounding of the accessory to the rig's cab
- /archives//html/CQ-Contest/1996-09/msg00094.html (9,869 bytes)
- 75. 80m 4-square owners... (score: 1)
- Author: W8JITom@aol.com (W8JITom@aol.com)
- Date: Thu Sep 19 14:10:00 1996
- Hi Lars, I'm happy to see someone de-bunk this misconception. Los Alamos "suggested" they remove the reference, and they did. Thank you for de-bunking this dark magic. 73 Tom From: Scott.Neustadter@H
- /archives//html/CQ-Contest/1996-09/msg00095.html (13,532 bytes)
- 76. Wire 4-square summary - Radial length (score: 1)
- Author: W8JITom@aol.com (W8JITom@aol.com)
- Date: Tue Sep 24 16:11:23 1996
- Was that really spelled with an X? Every year it gets worse and worse, it seems like it gets worse by the cube of time passage. Brown, Lewis and Epstein spent thousands of hours studying radials and
- /archives//html/CQ-Contest/1996-09/msg00126.html (10,315 bytes)
- 77. Ferrite beads, torroids used for rfi suppression and Baluns, etc. (score: 1)
- Author: W8JITom@aol.com (W8JITom@aol.com)
- Date: Tue Sep 24 17:14:03 1996
- Hi Jay, SNIP If the load is in perfect common mode balance and of a controlled impedance, a voltage type balun is as good as a choke type balun. But the choke type balun is almost always much better
- /archives//html/CQ-Contest/1996-09/msg00127.html (11,091 bytes)
- 78. Ferrite beads, torroids used for rfi suppression and Baluns, etc. (score: 1)
- Author: W8JITom@aol.com (W8JITom@aol.com)
- Date: Wed Sep 25 01:09:57 1996
- First baluns: I think the original question was what to use for a choke in an application where dissipation is not critical... decoupling control lines. I'd use the highest IMPEDANCE (a scalar quanti
- /archives//html/CQ-Contest/1996-09/msg00133.html (9,253 bytes)
- 79. Balun Burnups (score: 1)
- Author: W8JITom@aol.com (W8JITom@aol.com)
- Date: Thu Sep 26 10:51:16 1996
- The loss mechanisim is this. The bead looks like a resistance in parallel (or series) with a reactance. It's the thing we call Q. Hi initial permeability materials have low Q at higher frequencies. S
- /archives//html/CQ-Contest/1996-09/msg00142.html (8,172 bytes)
- 80. Keyers (score: 1)
- Author: W8JITom@aol.com (W8JITom@aol.com)
- Date: Tue Nov 12 13:26:23 1996
- I have a question about sending CW in a contest. What is the preferred method of sending a serial number? Is a long "T" preferred for a zero, or just send the whole zero? Is it OK to drop leading zer
- /archives//html/CQ-Contest/1996-11/msg00184.html (6,227 bytes)
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