PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/30-21:12:50
G01     119.5          17.7               14.6 +/-    3.36      34.0 +/-    3.36  0.060 / 0.050
G07     78.6           67.1               13.8 +/-    0.58      14.8 +/-    0.58  0.100 / 0.080
G08     46.6           35.9               11.0 +/-    1.21      17.2 +/-    1.21  0.120 / 0.230
G09     177.7          27.2               14.5 +/-    1.25      27.0 +/-    1.25  0.100 / 0.220
G11     110.3          39.7               13.3 +/-    0.60      19.4 +/-    0.60  0.030 / 0.030
G13     318.1          18.6               11.4 +/-    2.68      25.8 +/-    2.68  0.030 / 0.030
G17     202.8          20.8               15.9 +/-    1.82      34.3 +/-    1.82  0.040 / 0.030
G18     95.3           20.7               11.5 +/-    1.57      24.9 +/-    1.57  0.040 / 0.030
G28     292.9          57.5               12.3 +/-    1.25      14.3 +/-    1.25  0.050 / 0.050
G30     352.3          70.0               13.0 +/-    0.86      13.7 +/-    0.86  0.050 / 0.060