PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/26-22:58:00
G01     75.8           33.3               10.3 +/-    1.43      16.9 +/-    1.43  0.080 / 0.090
G07     134.9          35.2               13.3 +/-    1.85      21.0 +/-    1.85  0.070 / 0.100
G11     58.6           35.3                9.9 +/-    1.15      15.6 +/-    1.15  0.050 / 0.050
G13     280.4          37.6               12.3 +/-    1.01      18.6 +/-    1.01  0.050 / 0.040
G15     305.7          14.6                8.4 +/-    2.96      21.1 +/-    2.96  0.070 / 0.100
G17     226.5          61.6               12.3 +/-    1.22      13.7 +/-    1.22  0.070 / 0.130
G18     52.9           20.5               10.1 +/-    7.06      22.1 +/-    7.06  0.030 / 0.050
G19     221.3          37.9               14.0 +/-    1.89      21.1 +/-    1.89  0.030 / 0.040
G28     13.1           60.0               10.2 +/-    0.78      11.6 +/-    0.78  0.050 / 0.090
G30     130.7          62.9               12.7 +/-    0.43      14.1 +/-    0.43  0.050 / 0.120