PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/16-23:58:10
G01     250.0          34.8                6.8 +/-    1.20      10.9 +/-    1.20  0.030 / 0.040
G03     315.8          43.5                4.4 +/-    1.77       6.1 +/-    1.77  0.030 / 0.040
G11     236.2          12.3                7.9 +/-    5.31      21.0 +/-    5.31  0.070 / 0.110
G14     61.9           39.6                5.0 +/-    0.85       7.4 +/-    0.85  0.050 / 0.110
G16     166.8          16.1                4.2 +/-   20.32      10.3 +/-   20.32  0.030 / 0.040
G22     304.3          65.9                4.8 +/-    1.17       5.2 +/-    1.17  0.030 / 0.040
G23     286.8          18.8                6.4 +/-    1.11      14.6 +/-    1.11  0.110 / 0.450
G26     139.5          37.5               11.7 +/-    0.59      17.7 +/-    0.59  0.140 / 0.430
G31     39.8           61.2                5.0 +/-    0.59       5.6 +/-    0.59  0.070 / 0.120
G32     77.3           23.9                6.0 +/-    0.79      12.1 +/-    0.79  0.050 / 0.110