PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/08-19:12:00
G02     48.3           42.2               10.0 +/-    1.21      14.1 +/-    1.21  0.040 / 0.050
G05     85.2           69.1               12.3 +/-    0.57      13.0 +/-    0.57  0.040 / 0.050
G12     187.4          46.6               14.1 +/-    0.43      18.5 +/-    0.43  0.040 / 0.050
G25     260.0          57.7               12.2 +/-    2.18      14.2 +/-    2.18  0.050 / 0.070
G29     320.9          43.8               10.7 +/-    0.64      14.7 +/-    0.64  0.050 / 0.080