Oct. meetings covers Yagi-Uda antennas

John KX4O presents information on Yagi-Uda antennas

John KX4O presented information on the Yagi-Uda antenna to include a brief timeline covering it’s early beginning, patent and various designs over the years. John provided an overview of the antennas electrical characteristics covering element currents and mutual coupling and how to build various classic and NBS antennas. He showed several designs including optimizing yagi’s produced using NEC and compared their gain and F/B and F/R ratios. John wrapped up his presentation with a some recent developments with the Yagi-Uda and showed several members yagi antenna installations and discussed various aspects of their operations.

If you would like to review or download John’s presentation please click the following link here.

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