PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/06-15:42:30
G02     201.0          17.1               10.5 +/-    1.42      24.7 +/-    1.42  0.100 / 0.200
G06     168.7          53.9               11.1 +/-    1.37      13.3 +/-    1.37  0.110 / 0.170
G13     228.1          14.1               12.1 +/-    4.17      30.8 +/-    4.17  0.080 / 0.160
G17     21.3           60.3                8.4 +/-    0.53       9.5 +/-    0.53  0.070 / 0.160
G19     306.5          70.2                8.8 +/-    0.60       9.3 +/-    0.60  0.090 / 0.160
G24     310.2          29.8                5.7 +/-    1.04      10.1 +/-    1.04  0.130 / 0.140
G28     86.0           40.7                8.9 +/-    0.39      12.8 +/-    0.39  0.180 / 0.440
G30     157.4          17.3               10.1 +/-    1.70      23.9 +/-    1.70  0.260 / 0.630