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1. TopBand: Beverage feed line routing (score: 1): Author: donovanf@sgate.com (Frank Donovan); Date: Thu, 9 Oct 1997 07:01:22 -0400 (EDT); Rick, A few ideas in response to your query... I do not use multiwire Beverages, but you will probably get additional comments on this topic. First, I don't think a metal fence will affect a Beverage; /archives//html/Topband/1997-10/msg00133.html (10,046 bytes)
2. TopBand: Beverage feed line routing (score: 1): Author: donovanf@sgate.com (Frank Donovan); Date: Fri, 10 Oct 1997 07:51:19 -0400 (EDT); Carl, Sorry I didn't more clearly describe how to isolate feedline shield currents from the Beverage feedpoint ground... Where do these underired feedline currents come from? The coaxial cable laying; /archives//html/Topband/1997-10/msg00152.html (10,126 bytes)
3. TopBand: Receiving (score: 1): Author: donovanf@sgate.com (Frank Donovan); Date: Fri, 17 Oct 1997 19:11:04 -0400 (EDT); Jim, Congrats on your plan to install a good receiving antenna! Since you have the room, I strongly recommend that you install a Beverage! I'd recommnen an 880 foot (or even better, an 1160 ft) Bever; /archives//html/Topband/1997-10/msg00241.html (8,401 bytes)
4. TopBand: Re: Sloped Beverage Terminations (score: 1): Author: donovanf@sgate.com (Frank Donovan); Date: Tue, 21 Oct 1997 07:27:19 -0400 (EDT); Hello Brian! Thanks for the note! No, I have not personally checked Beverage sidelobe response with and without sloped terminations; however, as you know, both AO abd EZNEC show the improvement in mo; /archives//html/Topband/1997-10/msg00303.html (9,720 bytes)
5. TopBand: W3LPL Beverages etc. (score: 1): Author: donovanf@sgate.com (Frank Donovan); Date: Tue, 21 Oct 1997 15:21:40 -0400 (EDT); Larry, I simply can't put it any better than Bud, K4ISV's, recent e-mail: "Can you imagine a fisherman going out with only one bait?" At W3LPL we have M A N Y antennas and one of them will often give; /archives//html/Topband/1997-10/msg00316.html (7,944 bytes)
6. TopBand: Re: Beverages (score: 1): Author: donovanf@sgate.com (Frank Donovan); Date: Tue, 21 Oct 1997 15:45:57 -0400 (EDT); Steve, If a long ground rod is not practical, you can use a ground mat or radial wires. "Chicken wire" fence material laid under each end of the Beverage makes a good ground mat. One or more radial w; /archives//html/Topband/1997-10/msg00317.html (7,103 bytes)
7. TopBand: Re: [TowerTalk] Re: Sloped Beverage Terminations (score: 1): Author: donovanf@sgate.com (Frank Donovan); Date: Tue, 21 Oct 1997 15:58:38 -0400 (EDT); Bill, Beverage antennas are very lossy and tightly coupled into the nearby Earth, as a result there is virtually no mutual impedance among even very close spaced Beverages. It's very simple to experi; /archives//html/Topband/1997-10/msg00319.html (9,852 bytes)
8. [TowerTalk] Re: TopBand: Re: Sloped Beverage Terminations (score: 1): Author: donovanf@sgate.com (Frank Donovan); Date: Tue, 21 Oct 1997 19:49:41 -0400 (EDT); Charles, Here are some direct answers to your questions: Based on computer models, and on-the-air experience, good choices are 580, 880 and 1160 feet. If these are inconvenient for you, use what you; /archives//html/Topband/1997-10/msg00326.html (9,274 bytes)
9. TopBand: W3LPL Beverages etc. (score: 1): Author: donovanf@sgate.com (Frank Donovan); Date: Tue, 21 Oct 1997 20:14:15 -0400 (EDT); Earl, Thanx for the note! I've never tried Beverages with lossy wire, I'd be interested in comments from those that have tried it. There are many occasions when the 4-square is the best receiving ant; /archives//html/Topband/1997-10/msg00329.html (9,048 bytes)
10. TopBand: Re: [TowerTalk] Phased Staggered Beverages (score: 1): Author: donovanf@sgate.com (Frank Donovan); Date: Tue, 21 Oct 1997 20:35:26 -0400 (EDT); Bill, Yes, WW2Y presented an outstanding description of his three element staggered Beverage array at the Dayton Antenna Forum. He stated that this system provides extraordinary front-to-back ratio c; /archives//html/Topband/1997-10/msg00330.html (8,469 bytes)
11. TopBand: CQ Sydney and Canberra, Australia! (score: 1): Author: donovanf@sgate.com (Frank Donovan); Date: Thu, 30 Oct 1997 23:14:43 -0500 (EST); I'll be in Sydney next weekend (Nov 8/9), and Canberra on Nov 10/11 if any of the VK1s and VK2s on the reflectors care to meet a visiting American! 73 Frank W3LPL donovanf@sgate.com -- FAQ on WWW: ht; /archives//html/Topband/1997-10/msg00468.html (6,783 bytes)
12. TopBand: Preamplifiers (score: 1): Author: donovanf@sgate.com (Frank Donovan); Date: Wed, 24 Sep 1997 17:39:52 -0400 (EDT); Jeff, At W3LPL we use the Advanced Receiver Research 1-30 MHz HF preamp, with an 'LPL bandpass filter in front of it. I've never heard a spurious signal thru this preamp, unlike other dogs I tried au; /archives//html/Topband/1997-09/msg00266.html (7,449 bytes)
13. TopBand: Preamplifiers (score: 1): Author: donovanf@sgate.com (Frank Donovan); Date: Wed, 24 Sep 1997 20:41:47 -0400 (EDT); Hi Jeff, We almost always use the preamps on 160M, mostly as a convenience. With the preamp active, the receive level is nearly exactly identical between the verticals and the Beverages; otherwise th; /archives//html/Topband/1997-09/msg00269.html (7,478 bytes)
14. TopBand: Preamplifiers (score: 1): Author: donovanf@sgate.com (Frank Donovan); Date: Wed, 24 Sep 1997 20:33:12 -0400 (EDT); Hi Gary! Here's the info you requested W3LPL RECEIVING FILTERS Receive-only filters optimized for minimal in-band loss and very high rejection of frequencies below 75% of the filter center frequency.; /archives//html/Topband/1997-09/msg00270.html (9,894 bytes)
15. TopBand: Re: LPL bandpass filters (score: 1): Author: donovanf@sgate.com (Frank Donovan); Date: Thu, 25 Sep 1997 06:50:29 -0400 (EDT); Hello Con! Good luck with your 'LPL Filter project! Ceramic capacitors should be okay, but I've never used them myself. Silver micas should be available for much less than $1.00 each, but I've purcha; /archives//html/Topband/1997-09/msg00276.html (7,502 bytes)
16. TopBand: Preamplifiers (score: 1): Author: donovanf@sgate.com (Frank Donovan); Date: Thu, 25 Sep 1997 18:16:56 -0400 (EDT); Hi Carl! ASCII graphics leave a bit to be desired... In this version I've used asterisks to show each electrical connection. You will find that these are terrific filters! I often demonstrate the 20M; /archives//html/Topband/1997-09/msg00297.html (8,770 bytes)
17. TopBand: LPL Filters for AM BC QRM & Beverage Multiplexing (score: 1): Author: donovanf@sgate.com (Frank Donovan); Date: Mon, 4 Aug 1997 00:23:42 -0400 (EDT); Mike, Have u tried W3LPL receiving bandpass filters? The 160M filter should do the trick if KOA is below 1400 kHz. The 80M filter will suppress any AM broadcast station by over 80 dB. W3LPL bandpass; /archives//html/Topband/1997-08/msg00021.html (10,658 bytes)
18. TopBand: LPL Filters. (score: 1): Author: donovanf@sgate.com (Frank Donovan); Date: Mon, 4 Aug 1997 21:41:57 -0400 (EDT); Hello Pierre! Unfortunately it's not feasible for me to get into the electronics fabrication business, I have little enough free time from my "normal" profession as an engineering manager! Perhaps on; /archives//html/Topband/1997-08/msg00023.html (7,053 bytes)
19. TopBand: Why is a duct? (score: 1): Author: donovanf@sgate.com (Frank Donovan); Date: Thu, 3 Jul 1997 16:05:57 -0400 (EDT); Another example of very selective propagation is JA-to-East Coast on 160. The window starts in New England at their sunrise and moves southwest from there. When the W1s are working the peak of the op; /archives//html/Topband/1997-07/msg00013.html (7,534 bytes)
20. TopBand: Re: Why the duct? (score: 1): Author: donovanf@sgate.com (Frank Donovan); Date: Sun, 6 Jul 1997 13:32:51 -0400 (EDT); Tom, In MD, the O N L Y time we can work JAs on 160 is from a few minutes before sunrise until ten minutes after or so. The typical scenario is that we hear the W1/2 stations working them easily, and; /archives//html/Topband/1997-07/msg00018.html (9,576 bytes)

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