PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/27-01:43:00
G01     241.9          32.1                5.9 +/-    1.25       9.8 +/-    1.25  0.070 / 0.160
G03     314.8          48.6                4.3 +/-    0.86       5.5 +/-    0.86  0.090 / 0.130
G14     64.0           39.6                5.6 +/-    0.78       8.2 +/-    0.78  0.050 / 0.090
G16     158.3          24.4                6.2 +/-    1.83      12.3 +/-    1.83  0.060 / 0.090
G18     215.6          22.2                7.9 +/-    3.02      16.4 +/-    3.02  0.200 / 0.250
G22     295.6          69.4                5.8 +/-    0.73       6.2 +/-    0.73  0.320 / 0.280
G23     291.9          24.5                6.0 +/-    1.68      11.9 +/-    1.68  0.110 / 0.260
G26     129.6          43.1                5.5 +/-    0.53       7.6 +/-    0.53  0.110 / 0.220
G31     41.3           50.8                3.5 +/-    0.70       4.4 +/-    0.70  0.040 / 0.040
G32     82.3           18.6                3.9 +/-    1.98       8.8 +/-    1.98  0.040 / 0.040