PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/17-18:43:00
G10     294.6          50.5               11.2 +/-    0.86      14.1 +/-    0.86  0.060 / 0.090
G14     209.9          11.3                4.5 +/-   34.89      12.3 +/-   34.89  0.080 / 0.090
G15     46.2           28.5                9.0 +/-    0.67      16.3 +/-    0.67  0.040 / 0.040
G18     358.4          66.1               11.0 +/-    0.77      11.9 +/-    0.77  0.030 / 0.050
G20     69.9           20.3               10.9 +/-    1.56      23.7 +/-    1.56  0.070 / 0.130
G21     99.5           71.2               12.7 +/-    0.98      13.3 +/-    0.98  0.070 / 0.140
G24     100.5          26.0               13.2 +/-    0.91      25.2 +/-    0.91  0.080 / 0.290
G27     300.5          34.5               12.8 +/-    0.60      20.5 +/-    0.60  0.080 / 0.250
G32     210.6          29.0               14.7 +/-    0.72      26.4 +/-    0.72  0.440 / 0.830