An Assessment of Smartphone and Low-cost Multi-GNSS Single-frequency RTK Positioning for Low, Medium and High Ionospheric Disturbance Periods

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  • Author: Robert Odolinski, Peter J.G. Teunissen

The emerging GNSSs make single-frequency (SF) RTK positioning possible. In this contribution two different types of lowcost (few hundred USDs) RTK receivers are analyzed, which can track L1 GPS, B1 BDS, E1 Galileo and L1 QZSS, or any combinations thereof, for a location in Dunedin, New Zealand. These SF RTK receivers can potentially give competitive ambiguity resolution and positioning performance to that of more expensive (thousands USDs) dual-frequency (DF) GPS receivers. A smartphone implementation of one of these SF receiver types is also evaluated.