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For a number of years, I had a TH6 at 70'. After some storm damage, I replaced it with the antenna I had mounted 30' below it, a Cushcraft A3. After a couple of lightning strikes (I've still got an element tip from it with a 3/8" hole burned in aluminum tubing...cool!), I replaced it with an A3S, refurbished it and remounted it at 40'. Then, I lucked out on a great deal on a C3. I bought the E add-on and put it up. While I've used it in a couple of contests since it's installation, I have to say that the CW WPX contest was particularly interesting. Logic tells us that low-number element beams have a pretty broad beamwidth. But, I was audibly detecting signal strength changes on what seemed to be as little as 15 degree (and maybe even less) changes in the beam heading. For me, operating QRP, those little changes were enough to make the difference between being heard or not being heard by the distant stations. If I was pointing at Great Britain and heard OH0R, for instance, I could move the beam from 45 degrees to 30 degrees and hear OH0R get louder and know I, too, was getting louder (read: becoming readable). While this is really something I expect from a beam, I just felt that what I was hearing was pretty dramatic. I don't recall experiencing this so much with the TH6 or the A3's. Very nice. 73, Dale L. Martin, KG5U kg5u@hal-pc.org http://www.hal-pc.org/~kg5u -------------------------------------------- Force12Talk mailing list provided as a service by Force 12 Antennas, Inc. Force 12 Web site: http://www.qth.com/force12 Submissions: send to Force12Talk@qth.com To unsubscribe: send a blank e-mail to Force12Talk-leave@qth.com Force12Talk Message Archive: http://www.qth.com/force12/list/force12talk For problems with the list, contact force12@qth.com |
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