PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/12-04:13:00
G03     234.2          67.2                6.2 +/-    1.01       6.7 +/-    1.01  0.050 / 0.060
G07     249.8          10.8                0.4 +/-   21.00       1.1 +/-   21.00  0.050 / 0.050
G09     304.9          20.7                4.3 +/-    2.26       9.3 +/-    2.26  0.080 / 0.360
G14     100.5          14.8                5.1 +/-    1.34      12.9 +/-    1.34  0.110 / 0.340
G16     118.5          60.0                7.7 +/-    0.76       8.7 +/-    0.76  0.130 / 0.290
G22     196.5          53.6                8.5 +/-    2.70      10.2 +/-    2.70  0.120 / 0.300
G23     323.0          52.9                7.7 +/-    0.97       9.4 +/-    0.97  0.040 / 0.060
G26     65.2           49.8                5.3 +/-    0.51       6.7 +/-    0.51  0.040 / 0.070
G31     54.1           16.2                3.3 +/-    1.11       7.9 +/-    1.11  0.120 / 0.280