PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/27-00:58:10
G01     319.1          17.3               10.9 +/-    2.91      25.7 +/-    2.91  0.040 / 0.030
G08     256.7          13.6               10.3 +/-    2.94      26.6 +/-    2.94  0.040 / 0.030
G10     77.5           54.5               10.2 +/-    0.74      12.2 +/-    0.74  0.160 / 0.220
G11     302.8          23.9               10.7 +/-    1.10      21.5 +/-    1.10  0.170 / 0.210
G14     298.5          71.2               10.8 +/-    0.82      11.3 +/-    0.82  0.040 / 0.060
G18     100.9          29.8               11.4 +/-    0.81      20.0 +/-    0.81  0.050 / 0.060
G31     178.5          38.8               13.8 +/-    1.02      20.5 +/-    1.02  0.050 / 0.040
G32     356.9          69.7               10.3 +/-    0.37      10.9 +/-    0.37  0.060 / 0.040