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Tennadyne has a fatal flaw -- with the elements mounted inside the boom, the boom will wear and break over time. I had this happen once and had to replace the rear boom section. After the ice storm last November, the Tennadyne was badly bent. It was taken down and I inspected the rear element -- sure enough the boom was breaking again. The logs loose 2-3 db per band when compared with comparable tri-banders so that's why I've gone with the C31XR which by all reports is a killer. I'll figure out something for the WARC bands. Good Luck! Pete, W1RM -----Original Message----- From: Law Offices of J D Lambright, PLLC [mailto:JDLambright@the-law-offices.com] Sent: Sunday, May 04, 2003 12:17 PM To: Force12Talk@qth.com Subject: [Force 12 Talk] Force 12 vs. Tennadyne I would like to hear your comments and recommendations regarding my antenna choices. I have recently acquired the following antennas second-hand: A. Tennadyne T-10 log periodic (10 elements on a 24 foot boom) B. Force 12 C-31-XR with 14 elements on a 31 foot boom for 10, 15, and 20 meters - (wide-spaced 3 element 20 meter Yagi, wide-spaced 4 element 15 meter Yagi, and a 7 element 10 meter Yagi). C. Force 12 N1217 with 7 elements on an 18 foot boom for 12 and 17 meters. D. Force 12 EF-706 with 7 elements on an 18 foot boom for 6 meters. For HF coverage, I'm trying to decide whether to install the T-10 or, alternatively, the two Force 12's. (I think they are all great antennas, so perhaps I should find a way to install all three!) My towers are a Rohn 100' SSV freestanding commercial-type tower and a Wilson 61' crank-up pole tower. I would most appreciate hearing your comments on the pros / cons of these antennas and your suggestions on how best to install them. I am located near Houston, Texas, so things like ice are not a problem. J D Lambright KF5U Regards, J D Lambright Law Offices of J D Lambright, P.L.L.C. Conroe Tower, Suite 450 300 W. Davis Conroe, Texas 77301 Phone: 936-539-3499 Fax: 936-539-1799 Email: JDLambright@the-law-offices.com On the Web: www.the-law-offices.com -------------------------------------------- Force12Talk mailing list provided as a service by Force 12 Antennas, Inc. Force12 Web Site: http://www.force12inc.com To Submit Message to the List: Force12Talk@qth.com To unsubscribe and view the Message Archive: see http://qth.com/force12/list For problems with the list: contact n4zr@qth.com -------------------------------------------- Force12Talk mailing list provided as a service by Force 12 Antennas, Inc. Force12 Web Site: http://www.force12inc.com To Submit Message to the List: Force12Talk@qth.com To unsubscribe and view the Message Archive: see http://qth.com/force12/list For problems with the list: contact n4zr@qth.com |