Fig. 4 | Scientific Reports

Fig. 4

From: GPS Galileo BDS3 LEO uncalibrated phase delays estimation and tight combination precise point positioning with ambiguity resolution

Fig. 4

NL UPDs time series plot on DOY 001 in 2022 for G, E, C, LEO satellites. NL: narrow-lane; UPD: uncalibrated phase delay; GPS: global positioning system; Galileo: Galileo satellite navigation system; BDS-3: BeiDou-3 navigation satellite system; LEO: low-Earth orbit satellites; DOY: day of year. (In each subplot, lines and symbols in distinct colors denote different satellites within each respective system.).

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