PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/17-00:42:30
G03     232.5          66.4                5.7 +/-    0.73       6.1 +/-    0.73  0.130 / 0.340
G09     306.5          24.1                4.1 +/-    1.81       8.2 +/-    1.81  0.110 / 0.340
G14     102.3          11.9                4.8 +/-    2.12      12.7 +/-    2.12  0.050 / 0.030
G16     119.6          61.0                6.8 +/-    0.49       7.7 +/-    0.49  0.050 / 0.040
G22     194.7          52.5                7.3 +/-    0.80       8.9 +/-    0.80  0.050 / 0.050
G23     320.2          49.9                5.3 +/-    0.78       6.6 +/-    0.78  0.050 / 0.050
G26     65.6           50.7                4.5 +/-    1.11       5.6 +/-    1.11  0.140 / 0.140
G31     53.4           18.9                2.8 +/-    3.19       6.4 +/-    3.19  0.150 / 0.120