PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/10-14:43:10
G01     45.4           21.6                5.9 +/-    1.31      12.6 +/-    1.31  0.050 / 0.080
G06     174.7          33.1               10.8 +/-    1.56      17.8 +/-    1.56  0.050 / 0.090
G13     243.9          26.8               10.9 +/-    2.47      20.5 +/-    2.47  0.080 / 0.210
G15     281.0          13.7                8.5 +/-    1.14      21.8 +/-    1.14  0.100 / 0.190
G17     346.3          75.3                9.1 +/-    0.61       9.3 +/-    0.61  0.040 / 0.050
G19     254.7          61.3               10.4 +/-    1.10      11.6 +/-    1.10  0.040 / 0.070
G24     318.0          14.6                4.9 +/-    1.16      12.3 +/-    1.16  0.060 / 0.040
G28     61.3           50.4                8.8 +/-    0.81      11.1 +/-    0.81  0.060 / 0.050
G30     152.8          36.4                9.4 +/-    0.85      14.5 +/-    0.85  0.120 / 0.290