PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/01-17:57:30
G05     50.1           14.9                7.7 +/-    2.20      19.1 +/-    2.20  0.110 / 0.360
G10     239.5          18.1                8.8 +/-    1.96      20.3 +/-    1.96  0.130 / 0.230
G13     68.0           34.4                8.9 +/-    0.43      14.4 +/-    0.43  0.060 / 0.070
G15     114.4          55.4               10.7 +/-    0.44      12.7 +/-    0.44  0.060 / 0.050
G16     308.8          14.4                6.2 +/-    1.74      15.5 +/-    1.74  0.060 / 0.130
G20     254.2          42.4               10.3 +/-    0.85      14.4 +/-    0.85  0.050 / 0.110
G21     318.3          49.8                9.9 +/-    0.91      12.6 +/-    0.91  0.110 / 0.420
G26     282.1          19.5                6.8 +/-    2.20      15.2 +/-    2.20  0.120 / 0.460
G29     157.4          67.3               10.9 +/-    0.67      11.7 +/-    0.67  0.030 / 0.050