PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/11-03:12:30
G03     235.3          66.8                5.5 +/-    0.62       6.0 +/-    0.62  0.050 / 0.050
G09     307.0          25.6                3.3 +/-    1.27       6.3 +/-    1.27  0.040 / 0.040
G14     101.7          12.9                6.4 +/-    2.88      16.6 +/-    2.88  0.130 / 0.370
G16     118.7          60.7                5.8 +/-    0.49       6.6 +/-    0.49  0.120 / 0.380
G22     195.2          53.3                7.4 +/-    0.79       8.9 +/-    0.79  0.040 / 0.040
G23     320.1          49.9                5.2 +/-    0.91       6.6 +/-    0.91  0.040 / 0.040
G26     65.1           50.1                5.0 +/-    0.41       6.3 +/-    0.41  0.120 / 0.160
G31     53.6           17.9                2.6 +/-    3.74       6.1 +/-    3.74  0.100 / 0.110