PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/01-02:12:40
G10     296.9          51.2               11.8 +/-    1.92      14.7 +/-    1.92  0.050 / 0.050
G14     210.1          13.9               14.0 +/-    1.75      35.7 +/-    1.75  0.050 / 0.050
G15     46.4           30.3                6.8 +/-    1.24      11.9 +/-    1.24  0.070 / 0.150
G18     355.3          66.2                8.6 +/-    0.87       9.3 +/-    0.87  0.080 / 0.170
G20     72.2           16.5                7.0 +/-    1.92      16.8 +/-    1.92  0.040 / 0.050
G21     97.3           73.9               11.9 +/-    0.57      12.3 +/-    0.57  0.050 / 0.050
G24     98.6           26.6               11.7 +/-    1.27      22.0 +/-    1.27  0.100 / 0.530
G27     298.2          35.3               11.4 +/-    0.92      17.9 +/-    0.92  0.250 / 0.630
G32     211.2          31.6               15.0 +/-    3.07      25.5 +/-    3.07  0.070 / 0.100