PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/24-20:12:30
G10     257.0          31.9               12.4 +/-    3.89      20.9 +/-    3.89  0.120 / 0.440
G13     47.7           25.3                9.6 +/-    0.91      18.6 +/-    0.91  0.130 / 0.460
G15     80.0           58.7               10.7 +/-    0.61      12.3 +/-    0.61  0.040 / 0.050
G16     288.1          14.8                7.7 +/-    2.21      19.4 +/-    2.21  0.040 / 0.070
G20     280.1          55.2               10.8 +/-    0.78      12.9 +/-    0.78  0.060 / 0.090
G21     344.0          65.2                8.7 +/-    0.82       9.5 +/-    0.82  0.070 / 0.110
G26     261.3          12.5               10.0 +/-    1.01      26.3 +/-    1.01  0.060 / 0.210
G29     166.4          42.5               12.5 +/-    1.37      17.5 +/-    1.37  0.060 / 0.190