PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/25-22:58:00
G08     264.2          15.8               11.2 +/-    2.25      27.4 +/-    2.25  0.270 / 0.670
G10     73.3           54.0                9.6 +/-    0.73      11.5 +/-    0.73  0.320 / 0.490
G11     308.7          19.0                8.1 +/-    1.51      18.2 +/-    1.51  0.030 / 0.050
G14     275.6          67.2                9.9 +/-    0.57      10.7 +/-    0.57  0.040 / 0.050
G18     308.8          37.2                9.5 +/-    1.34      14.5 +/-    1.34  0.060 / 0.100
G20     101.8          31.3                9.1 +/-    0.80      15.5 +/-    0.80  0.050 / 0.100
G21     156.2          10.6               12.9 +/-    4.63      35.5 +/-    4.63  0.020 / 0.020
G27     227.5          12.4                9.8 +/-    4.09      26.0 +/-    4.09  0.030 / 0.030
G31     175.8          37.5               12.5 +/-    1.63      18.9 +/-    1.63  0.170 / 0.230
G32     358.4          70.8                8.5 +/-    1.33       9.0 +/-    1.33  0.260 / 0.380