Built about 20 comparable models (different shapes and feeds but similar sized) and have found an lpda feed that makes a great feed for a parabola.
It won the gain and swr contest for all shapes I tested.
Quote:
At sub-GHz frequencies it's easier to build high aperture antennas in panel, curtain and Yagi forms
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Not for long I have models that are very competitive with the best panels out there and they are easy to build you can follow the progress starting about here
http://www.digitalhome.ca/forum/show...=96216&page=21
It is a work in progress