PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/27-00:57:50
G03     249.8          69.4                6.4 +/-    0.84       6.8 +/-    0.84  0.040 / 0.050
G09     302.7          18.9                5.2 +/-    1.43      11.7 +/-    1.43  0.040 / 0.050
G14     95.9           19.3                5.1 +/-    0.94      11.4 +/-    0.94  0.040 / 0.060
G16     126.7          56.8                7.0 +/-    0.53       8.2 +/-    0.53  0.030 / 0.050
G22     200.7          58.7                5.1 +/-    1.45       5.9 +/-    1.45  0.080 / 0.200
G23     317.8          47.7                4.3 +/-    1.16       5.5 +/-    1.16  0.090 / 0.240
G26     72.6           52.2                4.0 +/-    0.59       4.9 +/-    0.59  0.030 / 0.030
G31     51.5           20.4                1.9 +/-    1.43       4.1 +/-    1.43  0.030 / 0.040