PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/06-19:12:50
G01     106.3          26.0               15.6 +/-    1.12      29.8 +/-    1.12  0.070 / 0.160
G07     107.8          58.1               12.9 +/-    0.40      14.9 +/-    0.40  0.070 / 0.170
G08     42.2           22.3                9.7 +/-    0.88      20.2 +/-    0.88  0.030 / 0.050
G09     175.0          13.2               17.0 +/-    1.44      44.1 +/-    1.44  0.030 / 0.050
G11     89.4           43.2               14.7 +/-    0.49      20.3 +/-    0.49  0.100 / 0.150
G13     309.1          28.9               10.0 +/-    1.58      17.9 +/-    1.58  0.100 / 0.170
G17     207.2          35.1               13.9 +/-    1.47      22.0 +/-    1.47  0.040 / 0.090
G18     80.0           24.5               14.3 +/-    1.02      28.3 +/-    1.02  0.040 / 0.070
G28     320.1          61.2               11.8 +/-    0.60      13.3 +/-    0.60  0.030 / 0.030
G30     33.9           78.5               10.8 +/-    0.58      11.0 +/-    0.58  0.030 / 0.040