PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/14-17:42:40
G10     257.0          31.0               12.7 +/-    2.28      21.8 +/-    2.28  0.130 / 0.280
G13     48.4           26.7               10.3 +/-    2.12      19.3 +/-    2.12  0.170 / 0.220
G15     71.4           54.1               11.4 +/-    0.60      13.7 +/-    0.60  0.050 / 0.050
G16     294.4          12.9               10.3 +/-    1.32      26.9 +/-    1.32  0.050 / 0.040
G18     283.1          61.2               11.2 +/-    0.55      12.6 +/-    0.55  0.160 / 0.420
G20     46.8           43.9               10.5 +/-    0.95      14.4 +/-    0.95  0.160 / 0.430
G21     351.7          67.7               10.1 +/-    0.93      10.9 +/-    0.93  0.040 / 0.070
G26     264.9          12.4               13.3 +/-    1.43      35.1 +/-    1.43  0.040 / 0.070
G27     321.5          12.2               10.0 +/-    1.58      26.4 +/-    1.58  0.110 / 0.360
G29     163.9          36.1               12.7 +/-    1.02      19.8 +/-    1.02  0.120 / 0.380