PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/09-10:12:40
G03     193.3          23.4               -0.0 +/-    5.21      -0.1 +/-    5.21  0.090 / 0.530
G07     291.8          39.5                0.5 +/-    1.65       0.8 +/-    1.65  0.100 / 0.460
G08     139.6          28.4                2.9 +/-    3.12       5.2 +/-    3.12  0.030 / 0.080
G09     321.9          65.2               10.7 +/-    5.74      11.6 +/-    5.74  0.060 / 0.090
G16     43.0           41.1               17.5 +/-   13.68      25.0 +/-   13.68  0.040 / 0.080
G23     105.7          81.5               40.7 +/-   24.60      41.2 +/-   24.60  0.040 / 0.080
G26     43.3           13.8              -39.7 +/-   68.02    -101.6 +/-   68.02  0.050 / 0.090
G27     98.6           33.4              -14.6 +/-   21.00     -23.8 +/-   21.00  0.050 / 0.080
G30     272.2          10.5              -12.9 +/-   25.00     -35.5 +/-   25.00  0.020 / 0.030