PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/07-18:57:40
G08     291.5          23.1                7.2 +/-    1.76      14.7 +/-    1.76  0.060 / 0.090
G10     16.9           62.5                6.8 +/-    0.64       7.6 +/-    0.64  0.060 / 0.090
G14     230.5          43.9               12.3 +/-    0.69      16.8 +/-    0.69  0.070 / 0.110
G20     71.1           48.9                8.4 +/-    0.29      10.8 +/-    0.29  0.050 / 0.090
G21     148.0          38.3                8.7 +/-    1.10      12.9 +/-    1.10  0.080 / 0.140
G24     55.3           25.4                8.2 +/-    1.77      15.9 +/-    1.77  0.070 / 0.090
G27     251.8          31.0               10.4 +/-    1.62      17.9 +/-    1.62  0.030 / 0.030
G32     251.5          71.1                9.0 +/-    0.71       9.5 +/-    0.71  0.050 / 0.040