PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/16-17:12:30
G02     211.4          50.1               13.2 +/-    1.46      16.6 +/-    1.46  0.060 / 0.110
G06     86.0           79.0               11.9 +/-    0.55      12.1 +/-    0.55  0.050 / 0.100
G12     316.5          30.6               10.5 +/-    1.02      18.1 +/-    1.02  0.080 / 0.100
G17     53.8           34.4                9.0 +/-    0.66      14.4 +/-    0.66  0.100 / 0.090
G19     34.0           52.1               10.0 +/-    0.55      12.4 +/-    0.55  0.040 / 0.090
G24     277.4          42.0               10.3 +/-    1.57      14.5 +/-    1.57  0.040 / 0.080
G28     118.2          18.3               12.0 +/-    0.94      27.5 +/-    0.94  0.030 / 0.030