PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/08-04:57:20
G02     34.1           54.3                4.7 +/-    1.00       5.7 +/-    1.00  0.020 / 0.040
G05     137.2          62.4                7.1 +/-    0.61       7.9 +/-    0.61  0.030 / 0.030
G06     51.9           20.5                3.1 +/-    3.36       6.7 +/-    3.36  0.050 / 0.050
G12     204.6          69.7                6.4 +/-    0.51       6.7 +/-    0.51  0.050 / 0.040
G19     99.7           9.9                 7.3 +/-    2.48      20.5 +/-    2.48  0.190 / 0.290
G25     294.3          55.5                5.2 +/-    4.38       6.1 +/-    4.38  0.230 / 0.400
G29     309.9          32.6                4.1 +/-    0.96       6.8 +/-    0.96  0.200 / 0.380