PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/31-00:12:40
G01     39.5           13.6                7.4 +/-    3.32      19.1 +/-    3.32  0.120 / 0.310
G02     198.9          13.1                9.5 +/-    2.79      24.8 +/-    2.79  0.170 / 0.230
G06     174.5          43.0               10.9 +/-    0.67      15.1 +/-    0.67  0.360 / 0.160
G13     235.0          19.5               10.2 +/-    4.81      22.8 +/-    4.81  0.160 / 0.330
G15     267.1          11.0                9.2 +/-    1.58      25.1 +/-    1.58  0.210 / 0.140
G17     359.7          69.7                8.3 +/-    0.42       8.8 +/-    0.42  0.140 / 0.160
G19     288.7          70.3                8.3 +/-    0.41       8.8 +/-    0.41  0.100 / 0.150
G24     315.3          22.0                7.6 +/-    2.72      15.9 +/-    2.72  0.090 / 0.180
G28     77.1           44.5                8.9 +/-    0.60      12.1 +/-    0.60  0.050 / 0.060
G30     154.8          21.5               10.6 +/-    1.28      22.5 +/-    1.28  0.040 / 0.050