PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/10-23:27:40
G10     298.8          51.9               12.6 +/-    1.05      15.6 +/-    1.05  0.040 / 0.050
G14     210.5          14.9               18.7 +/-    3.37      46.6 +/-    3.37  0.030 / 0.050
G15     45.9           27.5               11.1 +/-    1.54      20.6 +/-    1.54  0.070 / 0.150
G18     1.2            65.8               12.6 +/-    0.30      13.6 +/-    0.30  0.080 / 0.130
G20     72.8           16.4               11.2 +/-    1.47      26.8 +/-    1.47  0.070 / 0.100
G21     103.0          72.0               14.2 +/-    0.81      14.9 +/-    0.81  0.050 / 0.100
G24     97.3           27.2               16.4 +/-    1.14      30.4 +/-    1.14  0.100 / 0.470
G27     296.9          35.8               13.4 +/-    1.40      21.0 +/-    1.40  0.110 / 0.580
G32     212.0          31.3               14.9 +/-    0.96      25.3 +/-    0.96  0.170 / 0.800