PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/08-01:13:00
G08     295.9          21.5                7.4 +/-    1.74      15.6 +/-    1.74  0.070 / 0.090
G10     14.4           62.7               16.4 +/-    0.60      18.2 +/-    0.60  0.080 / 0.100
G14     230.4          46.6               12.5 +/-    2.50      16.4 +/-    2.50  0.050 / 0.080
G18     317.9          11.7                1.2 +/-   25.34       3.1 +/-   25.34  0.050 / 0.080
G20     67.6           51.4                9.7 +/-    0.77      12.0 +/-    0.77  0.090 / 0.110
G21     147.7          39.8               10.5 +/-    0.92      15.3 +/-    0.92  0.110 / 0.120
G24     55.4           25.3                9.2 +/-    2.32      17.9 +/-    2.32  0.270 / 0.420
G27     253.2          31.3                9.8 +/-    3.58      16.7 +/-    3.58  0.170 / 0.340
G32     247.7          68.5               10.3 +/-    0.40      11.0 +/-    0.40  0.030 / 0.020