Fig. 1From: Single station bias calculation using data from calibrated GNSS station for various baseline distancesCalibration of overlapping STEC arcs of the two participating stations used to calculate the station bias. The data shown is STEC arcs obtained from GPS PRN02 on day of year 029. Please note the changing x- and y-axis in separate panels. Please note that the scale of x- and y-axes are different in each panelBack to article page