Abstract
A new dual-polarized horn antenna fed by a microstrip patch is proposed. The patch is excited in two orthogonal polarizations by small gaps between the patch edge and the microstrip open end. A horn antenna operating at 14.9GHz is designed, fabricated and tested. Measurements show that the horn has a re∞ection coe-cient of less than i10dB, and a port isolation greater than 30dB, over 14.6{ 15.2GHz, and a gain of 12.34dBi and 10-dB beamwidths of 87 - and 88 - at 14.9GHz.
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