PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/12-17:12:50
G05     52.4           10.6                8.0 +/-    3.59      22.0 +/-    3.59  0.430 / 0.300
G10     242.8          18.8               10.1 +/-    2.28      23.0 +/-    2.28  0.470 / 0.450
G13     65.0           35.5                9.3 +/-    1.83      14.6 +/-    1.83  0.050 / 0.060
G15     104.8          56.5               12.0 +/-    1.45      14.1 +/-    1.45  0.080 / 0.050
G16     311.1          11.7                5.7 +/-    7.71      15.2 +/-    7.71  0.090 / 0.160
G18     256.8          50.7               10.9 +/-    2.48      13.6 +/-    2.48  0.110 / 0.160
G20     34.1           58.7                9.5 +/-    0.59      10.9 +/-    0.59  0.030 / 0.040
G21     326.7          56.4                9.9 +/-    0.58      11.6 +/-    0.58  0.040 / 0.050
G26     281.5          18.0                9.1 +/-    0.93      21.0 +/-    0.93  0.050 / 0.090
G29     158.2          54.9               11.4 +/-    0.69      13.6 +/-    0.69  0.050 / 0.110