2024
DOI: 10.33012/navi.637
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Geodetic Altitude from Barometer and Weather Data for GNSS Integrity Monitoring in Aviation

Maximilian Simonetti,
Omar García Crespillo

Abstract: Vertical navigation is crucial for safe aircraft separation and has been traditionally based on the pressure altitude provided by barometric altimeters. New aviation operations require robust determination of geodetic altitude and are expected to primarily rely on a global navigation satellite system (GNSS). Because deviations between pressure and geodetic altitudes can reach hundreds of meters, an altitude harmonization is needed to use barometers in combination with GNSS. In this paper, we first present a me… Show more

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