PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/04/24-02:27:30
G02     49.7           40.4                9.0 +/-    0.82      12.9 +/-    0.82  0.040 / 0.060
G05     83.7           68.1               10.6 +/-    0.77      11.3 +/-    0.77  0.040 / 0.050
G12     189.8          49.0               14.0 +/-    2.51      17.9 +/-    2.51  0.110 / 0.550
G21     262.1          10.6               -2.1 +/-   23.62      -5.9 +/-   23.62  0.120 / 0.620
G25     258.6          58.3               12.5 +/-    0.78      14.4 +/-    0.78  0.040 / 0.070
G29     323.0          46.8               10.0 +/-    0.83      13.1 +/-    0.83  0.030 / 0.050