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Total 15 documents matching your query.

1. [TowerTalk] Two 15m yagi stacking (score: 1): Author: "BA7NQ Terry" <ltw@vip.163.com>; Date: Sat, 24 Feb 2007 09:16:05 +0800; I am preparing make my first yagi stacking for contest station and researching some document from internet. The tower will have 30 meters high, and I have two 5 element yagi. My question is: 1) The s; /archives//html/Towertalk/2007-02/msg00378.html (7,837 bytes)
2. Re: [TowerTalk] Two 15m yagi stacking (score: 1): Author: "Keith Dutson" <kdutson@sbcglobal.net>; Date: Fri, 23 Feb 2007 20:58:25 -0600; I am planning a stack of three 5 element 20 meter Yagis. They will be at 50, 100 and 150 feet (15.2, 30.4, 45.6 meters), close to 3/4 wavelength. Yagi boom length often determines best stacking dista; /archives//html/Towertalk/2007-02/msg00381.html (9,073 bytes)
3. Re: [TowerTalk] Two 15m yagi stacking (score: 1): Author: Jim Lux <jimlux@earthlink.net>; Date: Fri, 23 Feb 2007 20:25:21 -0800; The best way to answer these questions is to get a copy of HFTA, which comes with the ARRL Antenna book. It lets you model the pattern of stacked antennas, varying spacing, etc., and factoring in you; /archives//html/Towertalk/2007-02/msg00383.html (8,852 bytes)
4. Re: [TowerTalk] Two 15m yagi stacking (score: 1): Author: "David Robbins K1TTT" <k1ttt@arrl.net>; Date: Sat, 24 Feb 2007 11:20:34 -0000; 1. the separation distance is not as important as the vertical takeoff angles needed from your location. Hfta and other programs can help answer that. But with only 30m of tower to work with I would; /archives//html/Towertalk/2007-02/msg00388.html (10,334 bytes)
5. Re: [TowerTalk] Two 15m yagi stacking (score: 1): Author: Bill Tippett <btippett@alum.mit.edu>; Date: Sat, 24 Feb 2007 09:21:36 -0500; cover all of Europe without rotating them. I strongly disagree. My 6 element KLM array has a 3 dB beamwidth of about 54 degrees, which is plenty for Europe. K3LR, K9NS and W3LPL use even longer booms; /archives//html/Towertalk/2007-02/msg00390.html (7,775 bytes)
6. Re: [TowerTalk] Two 15m yagi stacking (score: 1): Author: Cqtestk4xs@aol.com; Date: Sat, 24 Feb 2007 12:02:55 EST; I strongly disagree. My 6 element KLM array has a 3 dB beamwidth of about 54 degrees, which is plenty for Europe. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ I'm wit; /archives//html/Towertalk/2007-02/msg00394.html (8,009 bytes)
7. Re: [TowerTalk] Two 15m yagi stacking (score: 1): Author: "WA3GIN" <wa3gin@erols.com>; Date: Sat, 24 Feb 2007 12:11:13 -0500; Great subjective opinions...prolly why antenna vendors sell all kinds of dufferent antennas...no one ever agrees on thus stuff, haha Have Fun, dave wa3gin -- Original Message -- From: <Cqtestk4xs@aol; /archives//html/Towertalk/2007-02/msg00395.html (9,227 bytes)
8. Re: [TowerTalk] Two 15m yagi stacking (score: 1): Author: Michael Keane K1MK <k1mk@alum.mit.edu>; Date: Sat, 24 Feb 2007 12:30:07 -0500; The original comment was in the context of using fixed direction Yagis in a stack. AFIK, W3LPL's 15m stack of 6/6/6 is on a rotating tower and the antennas in K3LR's 6/6/6 15m stack are independently; /archives//html/Towertalk/2007-02/msg00397.html (8,755 bytes)
9. Re: [TowerTalk] Two 15m yagi stacking (score: 1): Author: Tim Duffy K3LR <k3lr@k3lr.com>; Date: Sat, 24 Feb 2007 11:52:36 -0600; Hi Mike! For the record, K3LR on 15 meters has been upgraded! This past summer we changed out the 3 high stack of 6 element Yagis. The new K3LR 15 meter antenna system is a 4 high stack of 7 element; /archives//html/Towertalk/2007-02/msg00399.html (10,183 bytes)
10. [TowerTalk] Two 15M yagi stacking (score: 1): Author: Stan Stockton <k5go@cox.net>; Date: Sat, 24 Feb 2007 11:55:13 -0600; I strongly disagree. My 6 element KLM array has a 3 dB beamwidth of about 54 degrees, which is plenty for Europe. I guess when people talk about 3 dB beamwidth it is just a measure of reference, so I; /archives//html/Towertalk/2007-02/msg00400.html (8,355 bytes)
11. Re: [TowerTalk] Two 15M yagi stacking (score: 1): Author: Jim Lux <jimlux@earthlink.net>; Date: Sat, 24 Feb 2007 12:20:43 -0800; The only problem with this is that some of the time, the advantage of a directive antenna is in the rejection of signals you don't want, rather than the forward gain (that is, you might be willing to; /archives//html/Towertalk/2007-02/msg00404.html (9,460 bytes)
12. Re: [TowerTalk] Two 15m yagi stacking (score: 1): Author: "k6xyz" <k6xyz@sbcglobal.net>; Date: Sat, 24 Feb 2007 15:06:38 -0600; Most guys probably would not agree....until they actually use a KLM 20 mtr Bigstick. Regards Dave Harmon NSRCA 586 K6XYZ[at]sbcglobal[dot]net Sperry, Ok. Great subjective opinions...prolly why antenn; /archives//html/Towertalk/2007-02/msg00407.html (9,942 bytes)
13. [TowerTalk] Two 15m yagi stacking (score: 1): Author: Bill Tippett <btippett@alum.mit.edu>; Date: Sat, 24 Feb 2007 18:00:56 -0500; Multiple comments below: WA3GIN: Subjective? Did you miss the RESULTS in my original reply? ;-) in CQ WW, ARRL DX and CQ WPX. Over 21 contests, my system has consistently beaten the average of the to; /archives//html/Towertalk/2007-02/msg00410.html (9,613 bytes)
14. Re: [TowerTalk] Two 15m yagi stacking (score: 1): Author: "WA3GIN" <wa3gin@erols.com>; Date: Sat, 24 Feb 2007 18:16:10 -0500; Most will never have one of those beauties ;-) _______________________________________________ _______________________________________________ TowerTalk mailing list TowerTalk@contesting.com http://l; /archives//html/Towertalk/2007-02/msg00412.html (11,400 bytes)
15. Re: [TowerTalk] Two 15m yagi stacking (score: 1): Author: "Dick Green WC1M" <wc1m@msn.com>; Date: Sun, 25 Feb 2007 00:43:26 -0500; Sometimes the top antenna is loudest just on the edge of the band opening/closing, or when conditions are marginal. 73, Dick WC1M _______________________________________________ _____________________; /archives//html/Towertalk/2007-02/msg00416.html (7,394 bytes)

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