PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/11-22:57:50
G08     291.0          22.1                8.4 +/-    0.69      17.7 +/-    0.69  0.040 / 0.090
G10     23.0           62.4                9.9 +/-    0.18      11.0 +/-    0.18  0.070 / 0.090
G14     233.7          48.8                9.0 +/-    2.17      11.5 +/-    2.17  0.070 / 0.090
G18     317.9          14.8                6.7 +/-    2.76      16.7 +/-    2.76  0.060 / 0.090
G20     73.6           48.4                9.0 +/-    1.17      11.5 +/-    1.17  0.270 / 0.430
G21     149.5          36.1                9.5 +/-    0.62      14.8 +/-    0.62  0.130 / 0.350
G24     52.5           23.8                7.5 +/-    2.60      15.0 +/-    2.60  0.020 / 0.020
G27     249.1          29.3                9.5 +/-    1.42      16.9 +/-    1.42  0.030 / 0.030
G31     181.8          12.0               10.1 +/-   13.02      26.9 +/-   13.02  0.120 / 0.130
G32     258.2          72.2                8.5 +/-    0.94       8.9 +/-    0.94  0.100 / 0.120