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The corrugated horn discussed here is a valuable tool for use in microwave pattern ranges. It has the properties of concentrated energy in the main beam, low backlobes, high efficiency and almost monotonic amplitude, and phase radiation patterns which make the corrugated horn useful for a source antenna in a pattern range and also as a possible standard antenna for calibration purposes. A sample of the references that have dealt with the corrugated horn is given for the benefit of the reader [1]-[7].
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Caldecott et al. (1973) studied this question.
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