PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/28-02:42:50
G01     219.3          11.7                8.8 +/-    2.92      23.6 +/-    2.92  0.210 / 0.420
G03     269.0          69.9                7.9 +/-    1.18       8.3 +/-    1.18  0.220 / 0.360
G09     298.6          13.4                4.3 +/-    2.94      11.2 +/-    2.94  0.120 / 0.220
G14     91.2           22.2                3.2 +/-    2.15       6.6 +/-    2.15  0.110 / 0.170
G16     136.3          51.8               10.2 +/-    0.50      12.6 +/-    0.50  0.050 / 0.060
G22     207.9          64.7                8.3 +/-    0.63       9.1 +/-    0.63  0.050 / 0.050
G23     313.7          43.9                7.3 +/-    0.86      10.0 +/-    0.86  0.130 / 0.220
G26     83.0           53.8                8.0 +/-    0.77       9.6 +/-    0.77  0.200 / 0.370
G31     48.8           24.8                6.8 +/-    2.29      13.3 +/-    2.29  0.040 / 0.040