PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/14-07:12:30
G03     234.1          66.2                5.0 +/-    0.96       5.4 +/-    0.96  0.050 / 0.070
G09     306.4          23.4                3.1 +/-    1.28       6.2 +/-    1.28  0.070 / 0.060
G14     102.2          13.1                4.2 +/-    2.22      11.0 +/-    2.22  0.130 / 0.400
G16     112.9          61.3                6.6 +/-    1.29       7.5 +/-    1.29  0.130 / 0.540
G22     194.2          52.2                6.9 +/-    0.62       8.4 +/-    0.62  0.040 / 0.050
G23     321.8          51.7                5.0 +/-    1.36       6.1 +/-    1.36  0.040 / 0.050
G26     61.7           47.8                4.4 +/-    0.64       5.7 +/-    0.64  0.040 / 0.060
G31     54.8           14.9                2.5 +/-    1.66       6.2 +/-    1.66  0.040 / 0.070