Table 1 Average STDs of WL and NL UPDs of each system.

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

System

G

E

C

LEO

STDs of WL UPDs (cycle)

0.39

0.41

0.37

0.02

STDs of NL UPDs (cycle)

0.06

0.09

0.17

0.05

  1. Abbreviations: G: global positioning system (GPS); E: Galileo satellite navigation system (Galileo); C: BeiDou-3 navigation satellite system (BDS-3); LEO: low-Earth orbit satellites (LEO); STDs: standard deviations; WL: wide-lane; NL: narrow-lane.
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