PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/29-22:12:50
G01     94.0           30.9               12.6 +/-    0.89      21.7 +/-    0.89  0.080 / 0.130
G07     122.2          48.8               13.2 +/-    0.55      16.9 +/-    0.55  0.080 / 0.130
G08     42.3           14.1                7.5 +/-    1.63      19.1 +/-    1.63  0.040 / 0.070
G11     75.2           42.2               11.2 +/-    0.68      15.7 +/-    0.68  0.030 / 0.070
G13     298.7          34.5               12.5 +/-    1.32      20.0 +/-    1.32  0.080 / 0.200
G17     213.1          46.5               14.4 +/-    0.49      19.0 +/-    0.49  0.070 / 0.230
G18     67.8           24.6               10.8 +/-    0.72      21.3 +/-    0.72  0.040 / 0.050
G19     213.3          23.7               17.1 +/-    2.49      34.4 +/-    2.49  0.040 / 0.060
G28     343.7          61.9               10.3 +/-    0.71      11.5 +/-    0.71  0.050 / 0.090
G30     97.7           75.7               12.1 +/-    1.06      12.5 +/-    1.06  0.040 / 0.070