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21. TopBand: Top Hat Loaded Verticals (score: 1): Author: donovanf@sgate.com (Frank Donovan); Date: Wed, 30 Apr 1997 20:49:05 -0400 (EDT); The technique John describes to significantly reduce the ground losses in his short 160M verticals is well known by antenna engineers. One of the best references is IEEE Transactions on Antennas and; /archives//html/Topband/1997-04/msg00157.html (9,383 bytes)
22. TopBand: Re: Phased Beverages (score: 1): Author: donovanf@sgate.com (Frank Donovan); Date: Wed, 30 Apr 1997 23:10:27 -0400 (EDT); Hi Lance! My 160M phased Beverages consist of two identical 580 foot Beverages, 7 feet high, spaced side-by-side by 270 feet. Each is fed with identical Minicircuits Laboratories T9-1 transformers an; /archives//html/Topband/1997-04/msg00160.html (8,520 bytes)
23. TopBand: ZS8IR Dupe Sheet (score: 1): Author: donovanf@sgate.com (Frank Donovan); Date: Sat, 8 Feb 1997 11:16:32 -0500 (EST); Thanx Chris! That was a very difficult QSO with ZS8IR because 9X4WW opened up exactly zero beat and much stronger! 9X4WW kept complaining about all of the dupes calling him, but didn't realize that m; /archives//html/Topband/1997-02/msg00116.html (6,968 bytes)
24. TopBand: Rather poor 160M propagation this season (score: 1): Author: donovanf@sgate.com (Frank Donovan); Date: Mon, 23 Dec 1996 10:20:48 -0500 (EST); Hi Bill! Here's an explanation of this year's rather poor 160M mid winter propagation during a very unusual sunspot minimum year, with much higher than normal solar flux. At this time of year at suns; /archives//html/Topband/1996-12/msg00399.html (9,673 bytes)
25. TopBand: Two Wire Beverages (score: 1): Author: donovanf@sgate.com (Frank Donovan); Date: Mon, 25 Nov 1996 20:24:41 -0500 (EST); Paul, Sorry to hear you ahve been having trouble with your Beverages! Ours worked incredibly well last weekend, and W4ZV has convinced me to put up several more (we already have seven Beverages, and; /archives//html/Topband/1996-11/msg00377.html (10,125 bytes)
26. TopBand: Two Wire Beverages (score: 1): Author: donovanf@sgate.com (Frank Donovan); Date: Tue, 26 Nov 1996 06:42:10 -0500 (EST); Hi Chris, Most of my Beverages are 580 feet long and eight feet high (They would have even lower sidelobes and better f/b ratio if they were 4 to 6 feet high but we have a large deer population that; /archives//html/Topband/1996-11/msg00382.html (7,921 bytes)
27. TopBand: Re: BEVERAGES (score: 1): Author: donovanf@sgate.com (Frank Donovan); Date: Tue, 26 Nov 1996 22:04:20 -0500 (EST); Hi Lynn and Rosie! Its great to hear from you after a long time! Incoming signals are received in identical amplitude and phase by each wire of a two-wire Beverage. The job of the Reflection Transfor; /archives//html/Topband/1996-11/msg00392.html (7,727 bytes)
28. TopBand: Re: Two wire Bevs (score: 1): Author: donovanf@sgate.com (Frank Donovan); Date: Wed, 27 Nov 1996 09:43:25 -0500 (EST); Walt, The wires in a two-wire Beverage operate in two distinct modes: - Antenna mode, operating in common mode with the two wires carrying received signals in identical (ideal case) amplitudes and ph; /archives//html/Topband/1996-11/msg00405.html (8,691 bytes)
29. TopBand: Re: Two wire Bevs (score: 1): Author: donovanf@sgate.com (Frank Donovan); Date: Wed, 27 Nov 1996 19:37:56 -0500 (EST); Rod, Unfortunately, with antennas as in many other things in life, there is usually no free lunch! As Misek points out in "The Beverage Antenna Handbook," the end termination of a two wire Beverage m; /archives//html/Topband/1996-11/msg00412.html (8,980 bytes)
30. TopBand: Beverages (score: 1): Author: donovanf@sgate.com (Frank Donovan); Date: Fri, 29 Nov 1996 17:42:46 -0500 (EST); Bill, You and Dave are W A Y too conservative! When it comes to 160M antennas, I'll take a 4-square on neighboring property over a half-a-dozen Beverages on neighboring property any day! (In case ur; /archives//html/Topband/1996-11/msg00452.html (7,255 bytes)
31. TopBand: Re: Beverage impedance matching? (score: 1): Author: donovanf@sgate.com (Frank Donovan); Date: Mon, 2 Sep 1996 13:40:18 -0400 (EDT); Hi Bob! I recommend impedance matching your Beverage for several reasons: - The efficiency of a Beverage is rather poor. For an eight foot high 580 foot Beverage on 160M, the main lobe will be about; /archives//html/Topband/1996-09/msg00004.html (8,960 bytes)
32. TopBand: SSB and other QRM (score: 1): Author: donovanf@sgate.com (Frank Donovan); Date: Thu, 5 Sep 1996 07:41:29 -0400 (EDT); John, Your reporting of clear and QRMed 160M frequencies in Europe is much appreciated! 73! Frank W3LPL donovanf@sgate.com -- FAQ on WWW: http://www.contesting.com/topband.html Submissions: topband@c; /archives//html/Topband/1996-09/msg00020.html (6,703 bytes)
33. TopBand: Re: Beverage antenna (fwd) (score: 1): Author: donovanf@sgate.com (Frank Donovan); Date: Sat, 7 Sep 1996 17:06:09 -0400 (EDT); As with any antenna project, there are many ways to go wrong... Please provide more detail on your Beverage, including such items as: - Distance from any other towers or antennas - How you interface; /archives//html/Topband/1996-09/msg00045.html (8,222 bytes)
34. TopBand: 160/80M beverage lengths, transmitting antennas (score: 1): Author: donovanf@sgate.com (Frank Donovan); Date: Wed, 11 Sep 1996 14:09:13 -0400 (EDT); I'd suggest 880 feet as an excellent length. The directivity of a Beverage (but not its efficiency) is best when it is low to the ground. Front-to-back ratio is significantly improved if both ends of; /archives//html/Topband/1996-09/msg00074.html (9,059 bytes)
35. TopBand: I'll have a beverage (score: 1): Author: donovanf@sgate.com (Frank Donovan); Date: Wed, 11 Sep 1996 21:55:27 -0400 (EDT); The directivity of a Beverage degrades steadily as it is raised; conversely its efficiency improves steadily as it is raised. Most Beverage users prefer good directivity rather than good efficiency,; /archives//html/Topband/1996-09/msg00084.html (7,697 bytes)
36. TopBand: 160/80M beverage lengths, transmitting antennas (score: 1): Author: donovanf@sgate.com (Frank Donovan); Date: Sun, 15 Sep 1996 10:36:15 -0400 (EDT); Bill, I have not done extensive experimentation to try to determine how close a Beverage can be placed to a tower or transmitting antenna, but I can share some anecdotal experience. When I first trie; /archives//html/Topband/1996-09/msg00110.html (8,215 bytes)

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