An SDR-based Study of Multi-GNSS Positioning Performance During Fast-developing Space Weather Storm

The understanding of the ionospheric effects on GNSS positioning performance forms an essential pre‐requisite for resilient GNSS development. Here we present the results of a study of the effects of a fast‐ developing space weather disturbance on the positioning performance of a commercial‐grade GPS+GLONASS receiver. Using experimentally collected pseudoranges and the RTKLIB, an open‐source software‐defined GNSS radio receiver operating in the simulation mode, we assessed GNSS positioning performance degradations for various modes of GNSS SDR receiver operation, and identified the benefits of utilisation of multi‐GNSS and ionospheric error correction techniques. http://www.transnav.eu the International Journal on Marine Navigation and Safety of Sea Transportation Volume 10