PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/12/10-23:58:00
G03     236.5          67.4                8.1 +/-    1.23       8.7 +/-    1.23  0.070 / 0.060
G09     304.0          18.7                7.5 +/-    1.12      16.9 +/-    1.12  0.050 / 0.050
G14     101.0          13.3                7.4 +/-    1.85      19.1 +/-    1.85  0.030 / 0.050
G16     133.0          59.2                9.0 +/-    0.62      10.3 +/-    0.62  0.030 / 0.050
G22     195.2          54.9                9.8 +/-    1.70      11.7 +/-    1.70  0.090 / 0.170
G23     319.5          49.2                6.9 +/-    0.96       8.8 +/-    0.96  0.100 / 0.170
G26     69.9           52.8                6.2 +/-    0.60       7.6 +/-    0.60  0.080 / 0.150
G31     52.1           20.7                3.3 +/-    1.10       7.1 +/-    1.10  0.080 / 0.160