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               11.8 +/-    1.29      18.5 +/-    1.29  0.060 / 0.110
G06     150.9          72.5               11.0 +/-    0.65      11.5 +/-    0.65  0.050 / 0.120
G12     308.5          17.1                8.2 +/-    1.29      19.3 +/-    1.29  0.100 / 0.100
G17     34.8           50.2                7.9 +/-    0.70      10.0 +/-    0.70  0.110 / 0.100
G19     10.8           62.5                9.6 +/-    0.73      10.6 +/-    0.73  0.030 / 0.040
G24     294.7          38.8                8.4 +/-    1.07      12.4 +/-    1.07  0.050 / 0.040
G28     102.2          34.7               10.7 +/-    0.84      17.1 +/-    0.84  0.040 / 0.020