PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/18-00:12:40
G01     221.0          12.0                7.0 +/-    2.38      18.7 +/-    2.38  0.040 / 0.050
G03     267.4          69.8                5.6 +/-    0.86       6.0 +/-    0.86  0.040 / 0.040
G09     299.6          15.6                5.0 +/-    1.25      12.2 +/-    1.25  0.050 / 0.050
G14     93.0           19.3                5.5 +/-    0.93      12.3 +/-    0.93  0.040 / 0.050
G16     138.7          51.9                8.4 +/-    1.14      10.4 +/-    1.14  0.080 / 0.200
G22     205.5          64.3                6.9 +/-    0.86       7.5 +/-    0.86  0.080 / 0.220
G23     311.6          40.9                5.4 +/-    0.89       7.7 +/-    0.89  0.120 / 0.430
G26     85.2           54.8                5.5 +/-    0.55       6.5 +/-    0.55  0.140 / 0.340
G31     47.7           28.0                3.0 +/-    0.86       5.4 +/-    0.86  0.050 / 0.060