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41. Topband: Re: Antennas (score: 1): Author: ford@cmgate.com (Ford Peterson); Date: Sun, 26 Aug 2001 21:18:01 -0500; or inverted up instead of down. As soon as they are drooped down (e.g. incorporated into the guys supports) they lose effectiveness and have to be inordinately larger to work. I am somewhat perplexed; /archives//html/Topband/2001-08/msg00112.html (6,713 bytes)
42. Topband: Preamp for pennant (score: 1): Author: ford@cmgate.com (Ford Peterson); Date: Mon, 27 Aug 2001 21:50:24 -0500; I have spent some time the last few days researching and redesigning the preamp on Larry's - W7IUV website. (see http://home.earthlink.net/~w7iuv/w7iuv/flag.htm) It uses the 2N5109 transistor to prov; /archives//html/Topband/2001-08/msg00126.html (8,784 bytes)
43. Topband: CLC-522 as a Preamp (score: 1): Author: ford@cmgate.com (Ford Peterson); Date: Mon, 27 Aug 2001 22:04:44 -0500; In a previous post, I professed that +20dbm from a preamp shouldn't be a big deal. Somebody responded "so do you have this stuff laying around the shack?" I have been examining the National (formerly; /archives//html/Topband/2001-08/msg00127.html (7,120 bytes)
44. Topband: DXpedition to ND (score: 1): Author: ford@cmgate.com (Ford Peterson); Date: Sun, 8 Jul 2001 21:18:54 -0500; There's a contingent of guys locally (central Minnesota) that think it would be nifty to activate North Dakota during a 160 contest this winter. I think their instincts are correct, they'd be pretty; /archives//html/Topband/2001-07/msg00008.html (7,402 bytes)
45. Topband: Choke baluns and #43 material (score: 1): Author: ford@cmgate.com (Ford Peterson); Date: Mon, 18 Jun 2001 17:52:25 -0500; Anybody have experience with using #43 beads as baluns? Ford-N0FP -- FAQ on WWW: http://www.contesting.com/FAQ/topband Submissions: topband@contesting.com Administrative requests: topband-REQUEST@con; /archives//html/Topband/2001-06/msg00047.html (6,529 bytes)
46. Topband: Measure Choke Impedance (score: 1): Author: ford@cmgate.com (Ford Peterson); Date: Tue, 19 Jun 2001 09:39:17 -0500; I am following the thread discussing the actual "impedance" of a choke. The calculations are fine. How do you measure such a thing? I have been using the method described in Walt Maxwell's book Refle; /archives//html/Topband/2001-06/msg00050.html (7,580 bytes)
47. Topband: Optimum Choke at N0FP (score: 1): Author: ford@cmgate.com (Ford Peterson); Date: Tue, 19 Jun 2001 10:22:13 -0500; I have built dozens of baluns and measured their choking effectiveness on 160 (the toughest band to get choking action). I have been interested in power handling and choking action. The best choke I; /archives//html/Topband/2001-06/msg00051.html (8,024 bytes)
48. Topband: Wet Coax... (score: 1): Author: ford@cmgate.com (Ford Peterson); Date: Sat, 14 Apr 2001 18:10:02 -0500; A couple of weeks ago, the snow finally started to disappear and the rains came. A field drain was either frozen or plugged and the 160 tower flooded into a 18" deep swamp. The feedline for the shunt; /archives//html/Topband/2001-04/msg00030.html (6,866 bytes)
49. Topband: Water on Coax.. (score: 1): Author: ford@cmgate.com (Ford Peterson); Date: Fri, 27 Apr 2001 22:25:14 -0500; About two weeks ago, I posted a question about water on coax and how to detect it. The end of the feedline was under water for about 24 hours. All was fine (SWR wise) for about 10 days. Then -- bang; /archives//html/Topband/2001-04/msg00088.html (6,770 bytes)
50. Topband: Propagation (score: 1): Author: ford@cmgate.com (Ford Peterson); Date: Fri, 30 Mar 2001 21:09:49 -0600; I live within blocks of the 45 degree North line in Minnesota. Usually, auroral activity inhibits EU to this part of the world. With very high solar activity lately, the SOHO satellite map shows the; /archives//html/Topband/2001-03/msg00161.html (6,687 bytes)
51. Topband: Loopsticks on 160 (score: 1): Author: ford@cmgate.com (Ford Peterson); Date: Thu, 15 Feb 2001 22:30:53 -0600; The quest for the ultimate Rcv Antenna continues... After reading the article in the ARRL Antenna Book on ferrite loop antennas, I set out to design the better mousetrap. I'm now working on version 1; /archives//html/Topband/2001-02/msg00057.html (11,235 bytes)
52. Topband: Topband Propagation (score: 1): Author: ford@cmgate.com (Ford Peterson); Date: Sat, 6 Jan 2001 16:02:03 -0600; Bob (NM7M) After just finishing your book on Long Path Prop, I am left with the question. ...where the geomagnetic field lines are 60-70 degrees from the horizontal; that is called quasi-transverse p; /archives//html/Topband/2001-01/msg00062.html (7,053 bytes)
53. Topband: The K9AY on 160 (score: 1): Author: ford@cmgate.com (Ford Peterson); Date: Sun, 7 Jan 2001 15:05:07 -0600; Fellow topbanders! Does anybody have experience with the K9AY (specifically the one sold by Wellbrooke out of the UK) on 160? I would be interested in comments. My specific questions: A reference on; /archives//html/Topband/2001-01/msg00080.html (7,540 bytes)
54. Topband: Wideband noise on 160 (score: 1): Author: ford@cmgate.com (Ford Peterson); Date: Sun, 14 Jan 2001 21:25:22 -0600; Success!!!! My noise went from solid S9 to zip. The cause? The 2 meter repeater in Hutchinson MN was experiencing problems with noise. I wondered "related maybe?" It turns out that some lady had hook; /archives//html/Topband/2001-01/msg00152.html (7,513 bytes)
55. Topband: RX input impedance (score: 1): Author: ford@cmgate.com (Ford Peterson); Date: Fri, 19 Jan 2001 00:15:05 -0600; I just used the Autek VA-1 to measure the input impedance of the receiver port on my IC-746. Interesting! On most bands, the input impedance measured in the neighborhood of 50 ohms. On 160 meters, it; /archives//html/Topband/2001-01/msg00187.html (6,913 bytes)
56. Topband: RX antenna switch--FAST! (score: 1): Author: ford@cmgate.com (Ford Peterson); Date: Mon, 29 Jan 2001 12:02:59 -0600; Fellow topbanders... I'm looking into getting a better set of ears... I've got a big mouth and no ears--not good! What I need is a way to switch in a RX antenna. I'm thinking that placing it in the l; /archives//html/Topband/2001-01/msg00259.html (7,463 bytes)
57. Topband: Goniometers and 160 (score: 1): Author: ford@cmgate.com (Ford Peterson); Date: Wed, 31 Jan 2001 00:06:34 -0600; Fellow topbanders.... I've been looking at doing a couple of phased verticals and looked at a few patents tonight on the US patent office web site. There is a reference to a goniometer on page 14-6 o; /archives//html/Topband/2001-01/msg00266.html (8,204 bytes)
58. Topband: Where's New England? (score: 1): Author: ford@cmgate.com (Ford Peterson); Date: Sat, 2 Dec 2000 12:03:05 -0600; I'm in Minnesota. My buddy Pat is just down the street. WHERE ARE THE 1s & 2s? I've never experienced this before. No Eastern sigs at ALL! We were both running Qs all night and no New England! Last y; /archives//html/Topband/2000-12/msg00008.html (8,008 bytes)
59. Topband: The A and K indicators (score: 1): Author: ford@cmgate.com (Ford Peterson); Date: Sun, 3 Dec 2000 23:03:29 -0600; Well, after the "Where's New England" post of Saturday night, I have received quite a number of responses privately as well as posts. I was led to believe that the A index was quite a good predictor; /archives//html/Topband/2000-12/msg00028.html (7,566 bytes)
60. Topband: Weather & Propagation (score: 1): Author: ford@cmgate.com (Ford Peterson); Date: Mon, 4 Dec 2000 14:11:45 -0600; Friday night, when conditions were at their worst here in Minnesota, my friend Pat-W0OPW called me on SSB to just chat about it. He coincidentally observed that the barometer was at an astonishingly; /archives//html/Topband/2000-12/msg00040.html (6,599 bytes)

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