PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/04/05-00:42:50
G02     202.5          35.5               14.2 +/-    0.92      22.3 +/-    0.92  0.140 / 0.290
G06     161.4          68.3               12.0 +/-    0.39      12.8 +/-    0.39  0.090 / 0.290
G12     307.1          14.3                7.9 +/-    2.42      20.0 +/-    2.42  0.030 / 0.030
G17     31.3           52.9                9.8 +/-    1.07      12.0 +/-    1.07  0.030 / 0.040
G19     358.8          65.8                9.8 +/-    0.58      10.6 +/-    0.58  0.100 / 0.110
G24     298.9          37.6                9.2 +/-    2.90      13.9 +/-    2.90  0.190 / 0.110
G28     102.2          31.2               10.1 +/-    0.84      17.4 +/-    0.84  0.080 / 0.120