PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/09-15:12:30
G02     205.0          35.6               12.9 +/-    1.74      20.3 +/-    1.74  0.050 / 0.140
G06     150.9          72.5               12.9 +/-    0.87      13.4 +/-    0.87  0.050 / 0.120
G12     308.5          17.1                7.8 +/-    2.20      18.3 +/-    2.20  0.110 / 0.210
G17     34.8           50.2                8.3 +/-    0.93      10.4 +/-    0.93  0.110 / 0.200
G19     10.8           62.5               10.0 +/-    0.84      11.1 +/-    0.84  0.060 / 0.060
G24     294.7          38.8                9.1 +/-    0.89      13.5 +/-    0.89  0.070 / 0.090
G28     102.2          34.7                9.6 +/-    1.45      15.3 +/-    1.45  0.070 / 0.090