PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/09-11:27:40
G08     294.0          23.5                4.1 +/-    1.68       8.4 +/-    1.68  0.080 / 0.080
G10     5.7            62.8                4.5 +/-    0.56       5.0 +/-    0.56  0.070 / 0.080
G14     228.0          45.8                5.4 +/-    1.58       7.1 +/-    1.58  0.030 / 0.030
G18     317.5          11.0               -6.7 +/-   20.93     -18.3 +/-   20.93  0.050 / 0.040
G20     63.2           53.0                5.0 +/-    0.58       6.1 +/-    0.58  0.080 / 0.100
G21     145.1          38.5               -1.9 +/-    0.61      -2.8 +/-    0.61  0.050 / 0.080
G24     56.1           24.9                3.5 +/-    0.56       6.9 +/-    0.56  0.110 / 0.170
G27     258.8          32.7                5.0 +/-    0.91       8.2 +/-    0.91  0.080 / 0.180
G32     239.7          62.2                7.7 +/-    0.42       8.6 +/-    0.42  0.050 / 0.090