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This paper describes an experimental investigation, the purpose of which is to provide a fund of radiation-pattern design data for the corner-reflector antenna. The configuration is varied both in the angle between the plane sheets and the spacing from apex to dipole. Measurements are shown for corner angles from 30 to 270 degrees and for corner to dipole spacings of 0.1 to 3 wavelengths. Both H-plane and E-plane radiation patterns are shown for each configuration employing semi-infinite sheets. Certain specific corners are investigated for the effects on pattern of finite side lengths, side heights, and of the substitution of spines and grid construction for the solid sheets. Good correlation is found between calculated and measured patterns for the cases that may be handled by the method of images. Sets of integrable patterns are shown further to correlate measurements with gain calculations.