PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/29-14:12:40
G02     67.7           25.3                7.8 +/-    2.32      15.2 +/-    2.32  0.050 / 0.030
G05     49.7           54.0                6.3 +/-    0.70       7.6 +/-    0.70  0.030 / 0.040
G12     184.4          24.5                7.3 +/-    2.15      14.5 +/-    2.15  0.140 / 0.170
G13     122.2          21.2                8.4 +/-    2.14      18.0 +/-    2.14  0.080 / 0.150
G15     157.7          19.8                8.7 +/-    1.08      19.2 +/-    1.08  0.030 / 0.030
G20     215.6          67.9                7.9 +/-    0.66       8.5 +/-    0.66  0.040 / 0.030
G21     280.4          26.7                4.2 +/-    0.93       8.0 +/-    0.93  0.090 / 0.130
G25     224.7          44.6                6.3 +/-    3.22       8.5 +/-    3.22  0.090 / 0.110
G29     340.9          68.1                5.0 +/-    0.35       5.4 +/-    0.35  0.110 / 0.110