Carrier Phase Ionospheric Gradient Ground Monitor for GBAS with Experimental Validation

Samer Khanafseh, Sam Pullen, and John Warburton

Peer Reviewed

Abstract: This paper describes a Ground Based Augmentation System (GBAS) ground-based monitor capable of instantly detecting anomalous ionospheric gradients. The monitor utilizes differential carrier phase measurements across multiple reference station baselines as the basis for detection. Performance analysis shows that the monitor is highly sensitive to the quality of the carrier phase measurements. Therefore, data collected from a GBAS prototype ground facility is used to quantify the measurement quality and validate the concept monitor.
Published in: NAVIGATION: Journal of the Institute of Navigation, Volume 59, Number 1
Pages: 51 - 60
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