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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[TowerTalk\]\s+Tower\s+in\s+center\s+of\s+4square\s*$/: 6 ]

Total 6 documents matching your query.

1. [TowerTalk] Tower in center of 4square (score: 1): Author: k2av@qsl.net (Guy Olinger, K2AV); Date: Wed, 10 Mar 1999 22:19:50 GMT; Anyone have any experience with a 4 square that has a tower in the center of it? Your difficulties, suprises, etc? Work to spec? Thanks & 73, Guy --. .-.. Guy Olinger, K2AV Apex, NC, USA -- FAQ on WW; /archives//html/Towertalk/1999-03/msg00169.html (7,630 bytes)
2. [TowerTalk] Tower in center of 4square (score: 1): Author: Dick Green" <dick.green@valley.net (Dick Green); Date: Thu, 11 Mar 1999 18:29:18 -0500; No personal experience, but the guy I got a used Colatchco 4-square phasing switch from said his 40M 4-square stopped working when he installed 100' of guyed Rohn 45 in the middle of the array (TH-7; /archives//html/Towertalk/1999-03/msg00190.html (9,588 bytes)
3. [TowerTalk] Tower in center of 4square (score: 1): Author: w4an@contesting.com (Bill Fisher - W4AN); Date: Thu, 11 Mar 1999 20:32:47 -0500 (EST); They work. Just not as good as they would without the tower in the center of the 4-square. The only way you can make your 4-square really work like a 4-square is to detune the tower in the center (t; /archives//html/Towertalk/1999-03/msg00193.html (8,423 bytes)
4. [TowerTalk] Tower in center of 4square (score: 1): Author: Dick Green" <dick.green@valley.net (Dick Green); Date: Thu, 11 Mar 1999 22:05:39 -0500; What kind of things can you do to detune the tower? Would you have to rely on observing changes in gain and/or F/B on the 40square or is there some way to measure the tower's resonant frequency? 73,; /archives//html/Towertalk/1999-03/msg00195.html (7,925 bytes)
5. [TowerTalk] Tower in center of 4square (score: 1): Author: k4sqr@juno.com (Jim MILLER); Date: Fri, 12 Mar 1999 05:42:44 -0500; Dick et al: A procedure for detuning towers is in chapter 11, Antennas and Techniques for Low Band DX'ing by ON4UN, published by ARRL. Regards, Jim Miller, K4SQR _____________________________________; /archives//html/Towertalk/1999-03/msg00196.html (7,840 bytes)
6. [TowerTalk] Tower in center of 4square (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Fri, 12 Mar 1999 12:24:54 -0500; The amount they hurt F/B depends on the phase and amplitude of re-radiation, which depends on your luck. The deterioration can be a whole bunch, or not very much. The center support in my 4 square is; /archives//html/Towertalk/1999-03/msg00204.html (9,038 bytes)

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