PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/12-03:57:40
G03     254.1          70.0                5.9 +/-    0.57       6.3 +/-    0.57  0.040 / 0.060
G09     301.0          15.8                2.0 +/-    1.54       5.0 +/-    1.54  0.040 / 0.060
G14     95.0           19.1                4.8 +/-    1.32      10.8 +/-    1.32  0.100 / 0.240
G16     130.7          55.3                7.6 +/-    0.68       9.0 +/-    0.68  0.100 / 0.250
G22     202.2          60.5                7.1 +/-    1.18       8.0 +/-    1.18  0.040 / 0.070
G23     317.5          47.6                4.3 +/-    0.88       5.6 +/-    0.88  0.050 / 0.060
G26     75.5           52.8                6.3 +/-    1.31       7.7 +/-    1.31  0.190 / 0.400
G31     50.8           21.3                1.4 +/-    1.68       3.1 +/-    1.68  0.160 / 0.370