1530KHz is about 200m wavelength so 2 half waves in phase would be about 200m tall, approx 650'
Fred Jensen <[email protected]> wrote: > Well, the KFBK Franklin is two vertical 180 deg co-linear elements center > fed [in-phase, I think], so I guess it would be about 1,600 ft [almost 500 > m]. A couple of the TV towers in Walnut Grove down in the Delta are 2,000 > ft [600 m], but they're not center fed. [:-) I think most "half-wave" BC > verticals are close to but not exactly 180 deg. IIRC, KFI [640 KHz] in Los > Angeles has a 725 ft tower which is almost exactly 180 deg but has a > capacity hat that extends it to an effective 195 deg or so. When you drive > by it on I-5, it is one very tall tower. > -- Brian Duffell G3VGZ Yarm England ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected]
