PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/09-07:12:40
G01     219.3          10.1                6.1 +/-    4.23      16.9 +/-    4.23  0.050 / 0.050
G03     260.3          69.4                5.2 +/-    0.98       5.5 +/-    0.98  0.030 / 0.070
G09     301.0          16.5                3.1 +/-    3.41       7.5 +/-    3.41  0.100 / 0.250
G14     94.8           19.2                4.1 +/-    1.11       9.1 +/-    1.11  0.110 / 0.250
G16     130.5          55.3                6.6 +/-    0.86       7.9 +/-    0.86  0.040 / 0.050
G22     201.1          61.4                6.6 +/-    1.17       7.4 +/-    1.17  0.030 / 0.040
G23     315.0          44.7                2.9 +/-    1.47       4.0 +/-    1.47  0.040 / 0.060
G26     75.1           52.2                5.3 +/-    0.41       6.5 +/-    0.41  0.050 / 0.050
G31     50.2           21.8                2.4 +/-    1.39       5.2 +/-    1.39  0.050 / 0.080