PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/06-19:27:40
G02     327.9          79.4               24.2 +/-    8.21      24.6 +/-    8.21  0.070 / 0.340
G05     167.7          31.4               23.4 +/-    6.16      39.8 +/-    6.16  0.100 / 0.280
G06     42.1           39.5              -13.5 +/-   27.12     -19.8 +/-   27.12  0.070 / 0.110
G12     309.3          72.9               41.6 +/-   22.69      43.3 +/-   22.69  0.080 / 0.110
G19     77.1           25.1              -26.5 +/-   58.99     -51.7 +/-   58.99  0.030 / 0.040
G24     229.4          22.9               10.6 +/-   13.72      21.7 +/-   13.72  0.030 / 0.040
G25     316.6          34.5               -0.6 +/-   17.60      -1.0 +/-   17.60  0.100 / 0.230
G29     287.5          10.6               -1.5 +/-   32.43      -4.1 +/-   32.43  0.100 / 0.230