PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/07/24-00:43:10
G05     50.8           14.4                7.4 +/-    0.90      18.6 +/-    0.90  0.080 / 0.190
G10     240.5          16.2               13.7 +/-    2.45      33.0 +/-    2.45  0.080 / 0.210
G13     69.0           36.5               10.6 +/-    0.76      16.4 +/-    0.76  0.130 / 0.280
G15     118.3          55.6               13.1 +/-    0.87      15.5 +/-    0.87  0.090 / 0.190
G16     309.6          13.4                9.8 +/-    1.49      25.3 +/-    1.49  0.020 / 0.050
G18     251.4          45.6               12.2 +/-    1.72      16.4 +/-    1.72  0.040 / 0.040
G20     34.8           58.8               10.5 +/-    0.60      12.0 +/-    0.60  0.100 / 0.210
G21     318.6          51.1               11.0 +/-    1.23      13.7 +/-    1.23  0.150 / 0.230
G26     282.3          19.3                8.4 +/-    1.27      18.7 +/-    1.27  0.040 / 0.040
G29     159.4          63.0               11.6 +/-    1.21      12.8 +/-    1.21  0.040 / 0.050