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I have 2 C51XRNs, which I converted from C51XR-Hs. As I believe is also the case with the C36XR/C39XRN, the significant difference is the move to the larger and improved "N" series 40M elements, with the driven element now moved up into the "triband" section. (There is also an additional 15M element on the C51XRN vs XR-H.) Although the previous version worked well for me, I am glad I went to the "N" series. The gain increase would probably be hard to measure, but tuning is easy and bandwidth is great and the elements look even stronger to withstand the hurricane winds and ice loads we experience on the cliff in Nova Scotia. The stack of 2ea '51s and a C31XR-H in the middle is also performing wonderfully. The equivalent for the C36/39 would be a 2- or 3-stack with the C19XR, which we know is a fine triband performer. OTOH, the antennas are pretty large, including turning radius as well as weight and wind load; these may be factors in your case depending on what you can do for tower and clearance, and I assume the '36 is lighter. smaller, and has a smaller turning radius. 73 es GL, Jim, VE1JF Message text written by "Schettino Fabio" >Which are the real difference between C36XR and C39XRN ? I am looking for these info, also in the web Brouchure, but non really found. I am interested to evaluate which antenna purchase, because I can found a C36XR of second hand.< -------------------------------------------- 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 n4zr@qth.com |
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