PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/16-03:43:10
G03     250.8          69.7                5.7 +/-    0.56       6.1 +/-    0.56  0.120 / 0.280
G09     301.7          16.7                4.0 +/-    1.44       9.6 +/-    1.44  0.100 / 0.260
G14     95.9           18.5                4.4 +/-    1.23      10.1 +/-    1.23  0.140 / 0.340
G16     128.9          56.2                7.3 +/-    0.54       8.5 +/-    0.54  0.260 / 0.270
G22     201.2          59.5                6.9 +/-    0.82       7.9 +/-    0.82  0.030 / 0.050
G23     318.2          48.3                4.5 +/-    0.56       5.8 +/-    0.56  0.040 / 0.050
G26     73.7           52.4                4.1 +/-    0.75       5.0 +/-    0.75  0.040 / 0.050
G31     51.3           20.5                3.9 +/-    2.42       8.5 +/-    2.42  0.040 / 0.050