PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/10-11:42:40
G08     284.9          23.4                4.6 +/-    1.71       9.3 +/-    1.71  0.070 / 0.070
G10     24.8           62.5                2.4 +/-    1.11       2.7 +/-    1.11  0.080 / 0.100
G14     236.6          53.5                6.7 +/-    1.94       8.1 +/-    1.94  0.030 / 0.030
G18     317.3          18.5                3.0 +/-    1.40       6.7 +/-    1.40  0.030 / 0.030
G20     75.0           48.1                5.5 +/-    0.67       7.1 +/-    0.67  0.030 / 0.030
G24     48.9           20.5                3.2 +/-    2.49       6.9 +/-    2.49  0.030 / 0.020
G27     249.7          28.3                5.8 +/-    1.78      10.5 +/-    1.78  0.230 / 0.190
G31     183.8          10.6               -4.8 +/-    9.69     -13.1 +/-    9.69  0.130 / 0.170
G32     256.4          69.0                5.4 +/-    0.70       5.8 +/-    0.70  0.180 / 0.170