PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/06-15:12:50
G02     333.0          80.1               12.5 +/-    0.67      12.6 +/-    0.67  0.030 / 0.040
G05     168.2          29.4               18.6 +/-    0.84      33.0 +/-    0.84  0.030 / 0.040
G06     40.9           43.8                9.7 +/-    1.21      13.3 +/-    1.21  0.090 / 0.250
G12     314.0          68.6               11.1 +/-    0.85      11.9 +/-    0.85  0.100 / 0.270
G17     86.0           10.4               11.2 +/-    2.30      31.0 +/-    2.30  0.090 / 0.150
G19     74.7           26.8               11.9 +/-    1.69      22.2 +/-    1.69  0.090 / 0.110
G24     231.4          24.5               13.9 +/-    1.35      27.5 +/-    1.35  0.070 / 0.350
G25     317.4          29.5                8.8 +/-    3.59      15.6 +/-    3.59  0.100 / 0.280
G29     286.7          11.4               10.0 +/-    3.18      26.9 +/-    3.18  0.070 / 0.100