PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/23-20:27:30
G10     296.3          51.0               13.4 +/-    1.88      16.7 +/-    1.88  0.070 / 0.140
G14     210.1          12.8               14.1 +/-    3.30      37.0 +/-    3.30  0.060 / 0.170
G15     46.0           27.9               11.6 +/-    1.11      21.3 +/-    1.11  0.080 / 0.130
G18     359.8          66.0               13.0 +/-    1.17      14.1 +/-    1.17  0.070 / 0.140
G20     71.1           18.7               13.3 +/-    1.11      30.1 +/-    1.11  0.060 / 0.090
G24     99.2           26.5               16.4 +/-    0.79      31.0 +/-    0.79  0.070 / 0.110
G27     299.1          35.0               13.7 +/-    0.63      21.8 +/-    0.63  0.080 / 0.470
G32     211.3          29.3               14.8 +/-    1.73      26.3 +/-    1.73  0.080 / 0.380