PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/23-04:42:40
G01     125.1          13.0                4.6 +/-    2.81      12.0 +/-    2.81  0.030 / 0.030
G07     64.6           68.1                5.7 +/-    0.53       6.1 +/-    0.53  0.030 / 0.030
G08     47.6           35.2                4.0 +/-    0.89       6.4 +/-    0.89  0.090 / 0.340
G09     175.5          30.8                6.8 +/-    1.05      11.8 +/-    1.05  0.100 / 0.400
G11     113.6          36.9                7.1 +/-    0.58      10.8 +/-    0.58  0.120 / 0.240
G13     320.3          14.0               -2.3 +/-    1.62      -5.8 +/-    1.62  0.080 / 0.160
G17     199.1          19.5                7.8 +/-    1.33      17.4 +/-    1.33  0.050 / 0.080
G28     277.7          52.8                7.7 +/-    0.85       9.4 +/-    0.85  0.040 / 0.050
G30     333.3          61.3                4.3 +/-    0.75       4.8 +/-    0.75  0.020 / 0.040