PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/26-01:58:10
G08     261.9          16.6               13.2 +/-    0.81      31.5 +/-    0.81  0.130 / 0.370
G10     68.3           56.6               14.1 +/-    0.94      16.5 +/-    0.94  0.160 / 0.370
G11     308.1          20.2                9.0 +/-    1.16      19.8 +/-    1.16  0.230 / 0.300
G14     274.7          67.6               11.5 +/-    0.97      12.3 +/-    0.97  0.180 / 0.340
G18     310.0          35.2                9.9 +/-    1.06      15.7 +/-    1.06  0.080 / 0.270
G20     60.3           67.3               20.8 +/-    0.93      22.3 +/-    0.93  0.160 / 0.300
G21     155.6          12.8               15.7 +/-    3.96      41.0 +/-    3.96  0.040 / 0.050
G27     229.2          13.5               18.1 +/-    1.15      46.8 +/-    1.15  0.040 / 0.040
G31     175.8          36.2               15.1 +/-    0.88      23.4 +/-    0.88  0.130 / 0.210
G32     356.9          71.3               11.5 +/-    0.46      12.1 +/-    0.46  0.200 / 0.210