PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/15-22:27:50
G10     271.4          41.9               10.4 +/-    1.19      14.6 +/-    1.19  0.340 / 0.390
G13     40.0           14.5                6.5 +/-    2.71      16.3 +/-    2.71  0.200 / 0.370
G15     55.8           46.3                7.8 +/-    1.14      10.3 +/-    1.14  0.060 / 0.040
G16     275.8          11.4                6.8 +/-    9.01      18.5 +/-    9.01  0.040 / 0.030
G20     305.2          61.7                8.9 +/-    0.79       9.9 +/-    0.79  0.110 / 0.260
G21     9.9            73.3                9.1 +/-    0.91       9.5 +/-    0.91  0.150 / 0.370
G24     118.7          16.2                9.5 +/-    2.90      22.9 +/-    2.90  0.060 / 0.060
G27     317.4          21.1                7.1 +/-    2.03      15.1 +/-    2.03  0.040 / 0.060
G29     167.4          27.7               10.3 +/-    1.77      18.9 +/-    1.77  0.280 / 0.290
G32     204.6          11.8                4.2 +/-   36.57      11.4 +/-   36.57  0.130 / 0.220