PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/04/10-02:42:50
G02     34.0           54.3                6.9 +/-    1.16       8.3 +/-    1.16  0.020 / 0.030
G05     136.3          62.6                9.1 +/-    0.40      10.1 +/-    0.40  0.030 / 0.030
G06     52.4           18.8                5.8 +/-    2.59      13.1 +/-    2.59  0.030 / 0.030
G12     205.0          69.8                9.6 +/-    0.74      10.1 +/-    0.74  0.030 / 0.030
G25     295.5          54.5                8.2 +/-    2.39       9.9 +/-    2.39  0.040 / 0.050
G29     309.8          32.3                7.0 +/-    1.53      11.7 +/-    1.53  0.050 / 0.060