PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/16-03:57:40
G03     232.8          66.9                5.6 +/-    0.98       6.1 +/-    0.98  0.090 / 0.370
G07     250.2          11.1               -4.9 +/-   15.77     -13.5 +/-   15.77  0.080 / 0.260
G09     305.3          21.3                3.1 +/-    2.08       6.7 +/-    2.08  0.180 / 0.410
G14     100.9          14.5                5.7 +/-    2.43      14.4 +/-    2.43  0.170 / 0.360
G16     117.1          60.3                6.3 +/-    0.69       7.2 +/-    0.69  0.130 / 0.240
G22     196.2          53.0                7.9 +/-    0.58       9.6 +/-    0.58  0.180 / 0.170
G23     323.3          53.2                5.3 +/-    0.90       6.4 +/-    0.90  0.050 / 0.040
G26     64.4           49.4                4.6 +/-    1.66       5.9 +/-    1.66  0.060 / 0.060
G31     54.4           15.7                3.8 +/-    1.37       9.2 +/-    1.37  0.040 / 0.050