PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/19-23:28:00
G02     68.0           25.7                8.0 +/-    1.32      15.4 +/-    1.32  0.090 / 0.210
G05     47.8           50.3                6.8 +/-    0.61       8.5 +/-    0.61  0.080 / 0.220
G12     183.4          23.4                9.1 +/-    2.71      18.4 +/-    2.71  0.050 / 0.090
G13     117.8          22.1               10.8 +/-    0.87      22.6 +/-    0.87  0.050 / 0.100
G15     157.0          21.7                9.7 +/-    1.24      20.6 +/-    1.24  0.070 / 0.140
G21     280.5          23.7               10.0 +/-    1.69      20.2 +/-    1.69  0.080 / 0.160
G25     223.9          43.7               10.0 +/-    1.33      13.7 +/-    1.33  0.090 / 0.180
G29     339.0          66.8                7.9 +/-    0.79       8.5 +/-    0.79  0.110 / 0.220