PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/05-15:12:30
G02     53.9           37.2                6.3 +/-    0.58       9.7 +/-    0.58  0.020 / 0.040
G05     77.2           68.5                8.4 +/-    0.62       9.0 +/-    0.62  0.030 / 0.040
G12     188.0          42.1                9.1 +/-    1.94      12.8 +/-    1.94  0.030 / 0.070
G20     204.7          50.2               10.2 +/-    1.87      12.9 +/-    1.87  0.050 / 0.070
G21     266.0          15.3                9.2 +/-    1.86      22.6 +/-    1.86  0.050 / 0.070
G25     247.9          56.4                9.7 +/-    0.67      11.4 +/-    0.67  0.050 / 0.070
G29     327.9          53.0                4.9 +/-    1.05       6.0 +/-    1.05  0.150 / 0.380