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On Mon, 21 Feb 2005 17:10:00 GMT, "
wrote: Roy allow me to be a bit more directive regarding my pursuit. I am trying to see what methods that can be used for maximum gain. Having made many a long boom yagi 80 feet and 13 elements I have come to the cinclusion that thinking must move away from Yagi's. If one starts with a balloon squeezed in the center we get the figure 8 pattern. I think we all can agree on that My logic is that we must find a way to move all the volume at the rear to the front thus increasing the front diameter before we begin to massage it. The present thinking is one sqeeze at the rear is the best that one can do. It is here that I part company with the norm. If we move all the volume to the front then talk of gain/boom length becomes moot. This sounds like a place for the horn antenna similar to what we use in microwave communications. You have an interesting approach. I am sure you have considered this, but how well do the multiple reflectors work with the yagi? not so much those in line with the elements as those that form a wall behind the driven element or the first reflector. Buck -- 73 for now Buck N4PGW |
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