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The concept of a unified, portable, and precise navigation solution for future precise manned and unmanned air vehicle landing support would need both enhanced GNSS technology and non-GNSS (such as precise approach radar) together in one package. This concept and initial implementations are discussed. Initial evaluations using different Software-Defined-Radio (SDRs) to implement the GNSS augmentation functions are performed and compared to certified ground augmentation system receivers. The results show the promising feasibility of integrating GNSS augmentation and precise approach radar function to support future landing missions.
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Jaxon Taylor, David Milligan, Tyler Julian, Hernan Suarez, Chad Davis, Yan Zhang, Brad Snelling, "Application of low-cost software-defined radio to augmented radio navigation," Proc. SPIE 12535, Radar Sensor Technology XXVII, 1253505 (14 June 2023); https://doi.org/10.1117/12.2663689