DescriptionE-plane gain plots of J antenna variations.png
English: These antenna radiation pattern plots show the E-plane gain of four J antenna variations: J-pole, SlimJIM, Super-J and Collinear J. The polar graph outer ring is normalized to 5.52 dBi... the peak gain of the Super-J and Collinear-J variants. All four antennas have their J element to the right towards +90 degrees.
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