PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/23-03:12:30
G03     254.6          69.9                4.0 +/-    0.28       4.2 +/-    0.28  0.110 / 0.230
G09     301.1          16.2                3.1 +/-    1.64       7.4 +/-    1.64  0.100 / 0.260
G14     94.9           19.4                3.2 +/-    1.14       7.1 +/-    1.14  0.140 / 0.320
G16     130.4          55.4                5.0 +/-    0.70       5.9 +/-    0.70  0.120 / 0.280
G22     202.5          60.6                4.7 +/-    0.84       5.4 +/-    0.84  0.040 / 0.050
G23     317.2          47.2                4.0 +/-    0.69       5.3 +/-    0.69  0.030 / 0.050
G26     75.5           52.8                3.5 +/-    0.55       4.2 +/-    0.55  0.030 / 0.040
G31     50.8           21.3                3.0 +/-    2.47       6.3 +/-    2.47  0.030 / 0.040