PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/25-15:58:00
G05     48.7           17.8                7.5 +/-    1.73      17.5 +/-    1.73  0.080 / 0.200
G10     236.2          11.6                1.5 +/-   37.61       4.2 +/-   37.61  0.140 / 0.130
G13     77.3           37.2                8.8 +/-    0.78      13.4 +/-    0.78  0.040 / 0.070
G15     122.0          52.3                9.6 +/-    0.68      11.8 +/-    0.68  0.050 / 0.060
G18     246.1          43.7               10.3 +/-    2.89      14.1 +/-    2.89  0.040 / 0.030
G20     24.5           68.3                8.7 +/-    0.41       9.3 +/-    0.41  0.040 / 0.030
G21     316.8          50.6                9.6 +/-    0.70      12.0 +/-    0.70  0.090 / 0.180
G26     290.8          19.4                8.5 +/-    0.88      19.0 +/-    0.88  0.090 / 0.170
G29     152.4          66.7               11.3 +/-    0.61      12.2 +/-    0.61  0.060 / 0.090