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241. Topband: Skewed paths (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Sat, 15 Sep 2001 05:53:30 -0400; Skew paths are actually fairly common, and don't seem to be tied to anything unusual going on if the path is long. Skewing even happens quite often on fairly short paths if they are obstructed. For; /archives//html/Topband/2001-09/msg00045.html (7,411 bytes)
242. Topband: RE: skewed paths (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Sat, 15 Sep 2001 06:32:20 -0400; Not at all. Skewed paths are clearly just like any other path. They are stable, they often have slow fading, they are common when the direct path is difficult, they appear independent of solar condi; /archives//html/Topband/2001-09/msg00046.html (8,806 bytes)
243. Topband: More Skew (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Sat, 15 Sep 2001 07:40:34 -0400; VK3ZL was skewed NW path today with 589 signals. He was inaudible SW and barely readable west on my receiving arrays. I did a blind 1,2,3 test on transmit, and Bob reported 1 (589-599), 2 (449), 3 (5; /archives//html/Topband/2001-09/msg00048.html (6,538 bytes)
244. Topband: skewed paths (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Sat, 15 Sep 2001 20:51:34 -0400; It's a real mess in the soup of scattered ions up in the sky on 160. That's why we have skewed paths and scattering, and that's why we never universally agree what works best. That's why no one can; /archives//html/Topband/2001-09/msg00059.html (7,910 bytes)
245. Topband: shortened & low dipole for 160M--transmit/receive issues (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Sat, 15 Sep 2001 20:51:33 -0400; I've been really slack at getting my Dayton talk on my web page, but I can convey several important results of a series of tests and measurements I did. Coaxial traps are the worse commonly used tra; /archives//html/Topband/2001-09/msg00060.html (8,760 bytes)
246. Topband: RE: skewed paths (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Sun, 16 Sep 2001 14:11:47 -0400; It is impossible to have any idea of what was going on because we have no idea how any of the antennas at that site actually work. How do we know the 2WL Beverage didn't have a lobe oriented into a; /archives//html/Topband/2001-09/msg00075.html (11,637 bytes)
247. Topband: Lightning Protection (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Sun, 16 Sep 2001 14:56:22 -0400; Water pipes are next to useless for lightning protection Peter, although they do make excellent safety grounds. It takes a large mat with multiple grounds to establish a really good lightning ground; /archives//html/Topband/2001-09/msg00076.html (8,740 bytes)
248. Topband: Measuring angle (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Mon, 17 Sep 2001 08:08:57 -0400; The point I tried to make is without similar polarized antennas and an ability to move a null around in elevation without affecting other response, we can not possibly have any idea what the wave ang; /archives//html/Topband/2001-09/msg00081.html (9,417 bytes)
249. Topband: Re: FT-1000mp MK V (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Tue, 18 Sep 2001 09:56:30 -0400; In my measurements, the FT1000(D) and FT1000MP are virtually the same. I corrected the original FT1000MP measurements on my web page because the FT1000MP I tested had a 70MHz IF amplifier added. Thi; /archives//html/Topband/2001-09/msg00101.html (7,219 bytes)
250. Topband: RE: skewed paths (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Tue, 18 Sep 2001 09:56:30 -0400; Hi Milt and all, First on propagation. Very clearly signals "skew" (to make it clear, Bill and others call this longpath but I reserve the term longpath for the "long way around the world" to avoid c; /archives//html/Topband/2001-09/msg00102.html (10,368 bytes)
251. Topband: Lightning Protection (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Tue, 18 Sep 2001 09:56:30 -0400; I replied to KN4LF off the reflector, and he requoted me here. So I guess I'll respond here on the reflector. That's right. The little whiskers do absolutely nothing to discharge the cloud. A spiked; /archives//html/Topband/2001-09/msg00103.html (9,974 bytes)
252. Fw: Re: Topband: Lightning Protection (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Wed, 19 Sep 2001 20:30:45 -0400; The key difference between using them in the intended application and the new application on towers and building is the size and capacitance of what you are trying to discharge. On aircraft, they on; /archives//html/Topband/2001-09/msg00109.html (9,091 bytes)
253. Topband: Beverage current distribution (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Tue, 25 Sep 2001 10:54:46 -0400; That is similar to what I have measured Rick. I measured in the range of 60-80% of current remaining at the far end of a properly terminated Beverage 1WL long. The correct way to terminate a Beverag; /archives//html/Topband/2001-09/msg00135.html (9,178 bytes)
254. Topband: Listening to an electric fence.... (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Tue, 25 Sep 2001 10:54:46 -0400; After checking and repairing dozens of spots in a large fence, I found the charger to be the source of the noise! Changing the charger corrected the problem. 73, Tom W8JI W8JI@contesting.com; /archives//html/Topband/2001-09/msg00136.html (7,402 bytes)
255. Topband: skew path (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Thu, 27 Sep 2001 09:43:55 -0400; JA's on many occasions arrive here from southwest paths early in the openings, and while they generally have more QSB than on the direct path they certainly do not have flutter. It is common to see; /archives//html/Topband/2001-09/msg00150.html (8,542 bytes)
256. Topband: Receiver measurements (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Tue, 7 Aug 2001 02:26:19 -0400; Receiver measurements under "Receivers" at www.w8ji.com Includes IC-751A, three R4C with various mods, FT1000MP, and FT1000(D) models. For FT1000MP users, the FT1000MP suffers from nearly the same NB; /archives//html/Topband/2001-08/msg00025.html (6,839 bytes)
257. Topband: Last Ditch (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Sat, 11 Aug 2001 09:50:47 -0400; Hi All, I really haven't seen much one way or another in except in microwave discussions. Lewallen (W7EL) and I have discussed this at length, and we both concluded there was no real data one way or; /archives//html/Topband/2001-08/msg00034.html (8,796 bytes)
258. Topband: Terminating System for Beverages (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Sun, 12 Aug 2001 05:57:54 -0400; Hi Fritz, I have a similar problem. There is no need to slope the wire, it does not reduce the vertical pickup off the ends unless the slope extends a very long distance. 10 feet of vertical drop is; /archives//html/Topband/2001-08/msg00040.html (9,769 bytes)
259. Topband: Terminating System for Beverages (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Sun, 12 Aug 2001 10:12:07 -0400; Unfortunately that commonly held perception isn't true. The shield becomes a perfectly coupled secondary winding over the center, and has all the current the primary (the center conductor) has. Radi; /archives//html/Topband/2001-08/msg00043.html (8,412 bytes)
260. Topband: the effect of trees (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Sun, 12 Aug 2001 15:50:17 -0400; That's a big change! I'd like a copy of that article Carl. The element of my four-square that are in the open are around 34 ohms. The one near a very large Pecan tree (maybe 80 feet tall, and quite; /archives//html/Topband/2001-08/msg00048.html (7,292 bytes)

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