Fig. 3From: Tidal asymmetry and transition in the Singapore Strait revealed by GNSS interferometric reflectometrya Histogram of the number of sea level estimates from GPS (L1–C/A) and GLONASS (L1C) combined each day over the 3-year period from 2017 to 2019 at SNSC. b Histogram of time (min) between successive GNSS sea level estimatesBack to article page