NASA NTRS · 19780023378
Reflex feed system for dual frequency antenna with frequency cutoff means
Abstract
A reflex feed system is described for a dual frequency antenna such as one which transmits and receives both S and X band signals. The dichroic plate, normally employed for directing X band radiation away from the X band horn, is replaced by a flange about the opening of the X band horn.
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Hartop, R. W.. 1978-05-30. Reflex feed system for dual frequency antenna with frequency cutoff means. https://ntrs.nasa.gov/citations/19780023378
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