PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/15-01:27:50
G08     276.0          19.2                7.9 +/-    1.55      17.7 +/-    1.55  0.050 / 0.060
G10     55.8           58.6                8.1 +/-    0.44       9.3 +/-    0.44  0.040 / 0.050
G14     256.1          62.6                7.1 +/-    0.53       7.9 +/-    0.53  0.170 / 0.220
G18     314.4          29.1                8.5 +/-    2.05      15.1 +/-    2.05  0.120 / 0.310
G20     91.6           39.1                7.1 +/-    0.49      10.5 +/-    0.49  0.030 / 0.040
G21     154.6          20.2                8.3 +/-    1.68      18.2 +/-    1.68  0.030 / 0.040
G24     41.9           13.4                5.2 +/-    0.87      13.4 +/-    0.87  0.140 / 0.280
G27     235.2          19.1                9.1 +/-    1.95      20.4 +/-    1.95  0.130 / 0.300
G31     177.9          27.4                8.0 +/-    1.60      14.9 +/-    1.60  0.100 / 0.160
G32     321.1          75.9                8.3 +/-    0.75       8.6 +/-    0.75  0.110 / 0.130