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Low-profile cavity-backed crossed-slot antenna with a single-probe feed designed for 2.34-GHz satellite radio applications

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3 Author(s)
Sievenpiper, Dan ; HRL Labs. LLC, Malibu, CA, USA ; Hui-Pin Hsu ; Riley, R.M.

This paper describes a novel, low-profile antenna for the satellite digital audio radio service. The antenna consists of a thin cavity with a pair of crossed slots having unequal length. Both slots are fed by a single-probe-type feed, resulting in a simple low-cost structure. This antenna is left-hand circularly polarized toward the sky for satellite reception, and vertically polarizated toward the horizon for terrestrial reception. The result is a low-profile antenna that can receive simultaneously from both satellite broadcasters and terrestrial repeaters, and can be built using low-cost printed circuit fabrication methods.

Published in:

Antennas and Propagation, IEEE Transactions on  (Volume:52 ,  Issue: 3 )