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1. Topband: Antennas (score: 1): Author: w4eds at yahoo.com (Ed Smith); Date: Wed Aug 6 21:27:05 2003; Two questions. I have 75 acres to play with and would like to put in beverage antennas. However, there is very little flat land here. I can run the beverages in a straight line but they will follow l; /archives//html/Topband/2003-08/msg00022.html (7,023 bytes)
2. Topband: Antennas (score: 1): Author: w7iuv@earthlink.net (Larry Molitor); Date: Sun, 26 Aug 2001 23:21:05 +0000; While going through my low band antenna notes covering the last 40 years or so, I came across a few contradicting pieces of data. Trying to resolve the issues with computer modeling exercises only re; /archives//html/Topband/2001-08/msg00110.html (9,420 bytes)
3. Topband: Antennas (score: 1): Author: i4jmy@iol.it (i4jmy@iol.it); Date: Mon, 27 Aug 2001 11:55:54 +0200; Sloping down the capacitive loading wires you actually shorten the antenna. If the loading wires are long and consistently sloped, you mainly radiate with those wires instead of with the vertical sec; /archives//html/Topband/2001-08/msg00113.html (8,664 bytes)
4. Topband: Antennas (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Mon, 27 Aug 2001 08:43:21 -0400; Hi Larry, Unless we A-B an antenna time and time again against a known and stable reference and average the results, small or even modest changes are lost in the data clutter. I never looked at data; /archives//html/Topband/2001-08/msg00114.html (9,897 bytes)
5. Topband: Antennas (score: 1): Author: w7iuv@earthlink.net (Larry Molitor); Date: Mon, 27 Aug 2001 14:30:49 +0000; As I said, Mauri, my experience and modeling efforts agree with your assessment. I think I need to define "short". Some folks seem to think a short vertical is a couple feet less than a quarter wave.; /archives//html/Topband/2001-08/msg00116.html (8,886 bytes)
6. Topband: Antennas (score: 1): Author: w8ik@subich.com (Joe Subich, K4IK); Date: Mon, 27 Aug 2001 10:41:24 -0400; The only "problem" is that most guyed towers are guyed at less than 45 degrees (100% guying). As I recall, without running the models, the problems get rapidly worse as the angle drops below 45 degre; /archives//html/Topband/2001-08/msg00117.html (8,233 bytes)
7. Topband: Antennas (score: 1): Author: w7iuv@earthlink.net (Larry Molitor); Date: Mon, 27 Aug 2001 14:51:05 +0000; Very true. That's why I always base my conclusions on observations made over a span of years. Log entries are a fair filter of "measurement noise" and, after all, isn't the "best" antenna the one tha; /archives//html/Topband/2001-08/msg00119.html (9,168 bytes)
8. Topband: Antennas (score: 1): Author: Dinsterdog@aol.com (Dinsterdog@aol.com); Date: Mon, 27 Aug 2001 11:01:07 EDT; I have four real world observations about using top loaded vertical antennas I'd like share regarding W7IUV's questions These are based upon my 4 rebuilds of my 80 meter 4SQR vertical array made out; /archives//html/Topband/2001-08/msg00120.html (10,938 bytes)
9. Topband: Antennas (score: 1): Author: i4jmy@iol.it (Maurizio Panicara); Date: Mon, 27 Aug 2001 23:03:19 +0200; Hi Tom & all, a 45 degrees inclination is acceptable with relatively tall antennas but not so much with shorter ones. With shorter radiators such an inclination (slope), and using hat wires long eno; /archives//html/Topband/2001-08/msg00122.html (9,111 bytes)
10. Topband: Antennas (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Mon, 27 Aug 2001 17:07:10 -0400; Hi Larry, The best thing with any of this is to model the antenna. Not at all. Log entries reflect propagation, equipment, noise , and many other things including the mood of the operator. There is s; /archives//html/Topband/2001-08/msg00123.html (9,929 bytes)
11. Topband: Antennas (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Mon, 27 Aug 2001 18:07:47 -0400; Hi Mario, I'm nearly out of time for this, but I'd hate to see anyone sell an idea that has merit short. While no one can dispute long hat wires near ground are a problem, we should not neglect compa; /archives//html/Topband/2001-08/msg00124.html (9,455 bytes)
12. Topband: Antennas (score: 1): Author: i4jmy@iol.it (i4jmy@iol.it); Date: Tue, 28 Aug 2001 09:39:39 +0200; even Hi Tom, I think You missed the point that's not if an hat is or not a smart loading method, but if using that method what's wiser to do. As much as a vertical is getting shorter and the capacit; /archives//html/Topband/2001-08/msg00130.html (8,923 bytes)
13. Topband: Antennas (score: 1): Author: w7iuv@earthlink.net (Larry Molitor); Date: Tue, 28 Aug 2001 15:09:09 +0000; Mauri, That's exactly why I presented the problem to the list. This is, after all, AMATEUR RADIO, not a military exorcise or commercial broadcast. Just a bunch of hobbyists trying to do the best they; /archives//html/Topband/2001-08/msg00134.html (9,545 bytes)
14. Topband: Antennas (score: 1): Author: herbs@vitelcom.net (Herb Schoenbohm); Date: Tue, 28 Aug 2001 11:29:10 -0300; so much with shorter ones. Yes indeed there seems to be a point of diminishing returns in respect to the efforts of using sloping wires to achieve resonance. However an improvement in the radiation; /archives//html/Topband/2001-08/msg00135.html (8,381 bytes)
15. Topband: Antennas (score: 1): Author: w7iuv@earthlink.net (Larry Molitor); Date: Tue, 28 Aug 2001 15:59:51 +0000; Herb, I've never tried this because in every instance where I needed a "hat", I have been limited to only two drooping wires. Is this data from computer modeling or actual measurement? Is the 30 perc; /archives//html/Topband/2001-08/msg00136.html (8,670 bytes)
16. Topband: Antennas (score: 1): Author: herbs@vitelcom.net (Herb Schoenbohm); Date: Tue, 28 Aug 2001 12:50:46 -0300; Larry, Back in the 60's I worked for a AM station in Minneapolis (KQRS) which used a three tower directional array. All three towers were made electrically longer and the radiation resistance increas; /archives//html/Topband/2001-08/msg00137.html (10,247 bytes)
17. Topband: Antennas (score: 1): Author: jmiller@dixie-net.com (Jim Miller); Date: Thu, 06 Jan 2000 21:10:24 -0600; I am new to 160 meters. I have a 120 foot tower set in the edge of a small pond in my back yard. I am thinking about an inverted L with the horizontal portion over the water. Can anyone give any sugg; /archives//html/Topband/2000-01/msg00033.html (6,885 bytes)
18. Topband: Antennas (score: 1): Author: W2pm@aol.com (W2pm@aol.com); Date: Sat, 8 Jan 2000 20:11:03 EST; I dont think there is much difference between your surrounding dry land and the fresh water pond. I believe only salt water makes a difference... -- FAQ on WWW: http://www.contesting.com/topband.html; /archives//html/Topband/2000-01/msg00065.html (6,582 bytes)
19. Topband: Antennas (score: 1): Author: w8ji@contesting.com (Tom Rauch); Date: Sun, 9 Jan 2000 00:50:12 -0500; Actually fresh water is very poor. It's worse than almost any type of dirt unless it isn't really what we call "fresh".. 73, Tom W8JI w8ji@contesting.com -- FAQ on WWW: http://www.contesting.com/top; /archives//html/Topband/2000-01/msg00067.html (6,843 bytes)
20. TopBand: antennas (score: 1): Author: W7lr@aol.com (W7lr); Date: Mon, 6 Apr 1998 03:44:42 EDT; Bill K6GNX clarified the H40AA low band antenna status. There are two antennas for 80 and one for 160. The rig for their 4th station was DOA - it will be replaced. 73 Bob W7LR -- FAQ on WWW: http://w; /archives//html/Topband/1998-04/msg00042.html (6,297 bytes)

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