PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/15-00:42:30
G08     296.9          21.3                6.4 +/-    0.85      13.7 +/-    0.85  0.150 / 0.100
G10     13.2           62.7                9.0 +/-    0.81      10.0 +/-    0.81  0.070 / 0.110
G14     229.8          45.9                9.1 +/-    2.12      12.2 +/-    2.12  0.040 / 0.080
G18     317.9          11.1               -6.7 +/-   22.41     -18.3 +/-   22.41  0.040 / 0.090
G20     66.9           51.6                8.0 +/-    0.73       9.9 +/-    0.73  0.090 / 0.140
G21     147.4          40.4                8.4 +/-    0.94      12.1 +/-    0.94  0.140 / 0.110
G24     56.0           25.7                8.7 +/-    1.56      16.8 +/-    1.56  0.410 / 0.370
G27     253.8          31.6                7.4 +/-    2.20      12.5 +/-    2.20  0.290 / 0.420
G32     246.6          68.2                7.8 +/-    0.54       8.4 +/-    0.54  0.100 / 0.200