PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/13-01:28:10
G01     39.1           12.7                4.2 +/-    3.04      11.1 +/-    3.04  0.050 / 0.070
G02     198.8          14.3                9.5 +/-    3.81      24.0 +/-    3.81  0.060 / 0.050
G06     174.8          43.6                9.6 +/-    1.09      13.2 +/-    1.09  0.180 / 0.280
G13     234.3          18.8                8.5 +/-    3.92      19.3 +/-    3.92  0.110 / 0.230
G15     265.9          10.6                7.0 +/-    2.58      19.3 +/-    2.58  0.030 / 0.030
G17     4.3            68.3                6.6 +/-    0.39       7.0 +/-    0.39  0.030 / 0.030
G19     293.3          70.8                6.0 +/-    0.95       6.3 +/-    0.95  0.060 / 0.060
G24     315.0          22.7                5.5 +/-    2.22      11.4 +/-    2.22  0.050 / 0.060
G28     78.5           43.9                7.4 +/-    1.21      10.1 +/-    1.21  0.200 / 0.300
G30     154.8          19.8                9.0 +/-    3.18      19.9 +/-    3.18  0.280 / 0.320