PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/23-16:28:10
G05     52.7           9.8                 7.7 +/-    3.90      21.5 +/-    3.90  0.340 / 0.360
G10     243.2          19.2               12.0 +/-    1.66      27.0 +/-    1.66  0.120 / 0.340
G13     64.4           35.3                9.4 +/-    1.73      14.8 +/-    1.73  0.040 / 0.040
G15     103.5          56.6               10.9 +/-    1.32      12.8 +/-    1.32  0.030 / 0.050
G16     309.8          12.3                9.3 +/-    2.67      24.5 +/-    2.67  0.040 / 0.040
G18     257.5          51.3               12.3 +/-    2.46      15.3 +/-    2.46  0.030 / 0.040
G20     34.1           58.7                9.7 +/-    0.65      11.1 +/-    0.65  0.090 / 0.130
G21     328.0          57.1               10.3 +/-    0.45      12.0 +/-    0.45  0.100 / 0.160
G26     280.4          18.0               10.4 +/-    0.92      24.0 +/-    0.92  0.150 / 0.310
G29     158.7          55.0               11.9 +/-    0.76      14.2 +/-    0.76  0.120 / 0.320