PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/27-02:57:50
G03     252.8          69.8                4.0 +/-    1.08       4.3 +/-    1.08  0.030 / 0.050
G09     301.5          16.8                3.2 +/-    2.44       7.6 +/-    2.44  0.040 / 0.050
G14     95.3           19.1                4.6 +/-    2.14      10.3 +/-    2.14  0.090 / 0.190
G16     129.3          55.8                5.5 +/-    1.07       6.5 +/-    1.07  0.100 / 0.260
G22     201.9          60.0                4.2 +/-    0.64       4.7 +/-    0.64  0.040 / 0.060
G23     317.5          47.6                3.2 +/-    0.93       4.2 +/-    0.93  0.040 / 0.060
G26     74.5           52.6                5.0 +/-    1.05       6.1 +/-    1.05  0.050 / 0.060
G31     51.0           20.9                0.4 +/-    1.41       0.8 +/-    1.41  0.050 / 0.070