My work was partialy based on materials from article in Nov. My first LPDA project was student's work in 1976 on practical and theoretical issues of building narrow banded Log-Yagis. It has been for most of my conscious amateur radio life that I was interested in Log-Periodics. I hope these know-hows will help you make your antennas more efficient. There are few know-hows in those models but I am sharing them with you for one reason - I decided that the time to share my knowledge with a larger group of people has come, I no longer want to keep it just for my own use. I will reveal some of my MMANA based antenna files for your own use and further evaluation and improvements of the models. In this article I want to share with you practical results of building LPDAs of different types. UA9BA hybrids of LPDA and Yagi Udas and other practical examples of multiband antennas
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