PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/14-01:42:40
G03     245.9          68.5                4.6 +/-    0.67       4.9 +/-    0.67  0.040 / 0.050
G09     302.8          17.5                3.5 +/-    2.05       8.2 +/-    2.05  0.040 / 0.050
G14     99.2           14.4                6.1 +/-    1.40      15.4 +/-    1.40  0.070 / 0.180
G16     140.0          56.5               -2.6 +/-    0.68      -3.1 +/-    0.68  0.110 / 0.250
G22     197.4          57.7                6.8 +/-    0.66       7.9 +/-    0.66  0.030 / 0.040
G23     317.3          46.8                5.1 +/-    0.84       6.7 +/-    0.84  0.030 / 0.040
G26     75.8           54.8                4.3 +/-    0.96       5.1 +/-    0.96  0.190 / 0.180
G31     50.4           23.8                2.3 +/-    2.13       4.6 +/-    2.13  0.100 / 0.180