PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/16-02:27:50
G01     242.1          32.1                5.8 +/-    0.94       9.8 +/-    0.94  0.070 / 0.110
G03     314.8          48.8                5.0 +/-    0.85       6.4 +/-    0.85  0.080 / 0.140
G14     64.3           39.2                5.8 +/-    1.14       8.5 +/-    1.14  0.050 / 0.110
G16     158.5          24.3                6.2 +/-    2.11      12.4 +/-    2.11  0.060 / 0.080
G18     215.6          22.2                7.0 +/-    3.15      14.6 +/-    3.15  0.190 / 0.250
G22     295.5          69.5                6.1 +/-    0.74       6.5 +/-    0.74  0.300 / 0.320
G23     292.1          24.8                6.2 +/-    0.87      12.2 +/-    0.87  0.110 / 0.150
G26     129.6          43.0                6.0 +/-    0.65       8.3 +/-    0.65  0.100 / 0.160
G31     41.3           50.6                4.4 +/-    0.60       5.5 +/-    0.60  0.040 / 0.030
G32     82.1           18.8                5.9 +/-    0.94      13.4 +/-    0.94  0.040 / 0.040