Mobility

Single-Feed Dual-Band Stacked Patch Antenna for Orthogonal Circularly Polarized GPS and SDARS Applications

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Executive Summary

The authors describe a single-feed stacked patch antenna design that is capable of simultaneously receiving both Right Hand Circularly Polarized (RHCP) satellite signals within the GPS L1 frequency band and Left Hand Circularly Polarized (LHCP) satellite signals within the SDARS frequency band. In addition, the design provides improved SDARS Vertical Linear Polarization (VLP) gain for terrestrial repeater signal reception at low elevation angles as compared to a current state of the art SDARS patch antenna.

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