PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/10-21:12:50
G10     291.1          49.1               13.0 +/-    1.18      16.6 +/-    1.18  0.030 / 0.040
G15     46.8           31.5               11.8 +/-    0.45      20.0 +/-    0.45  0.030 / 0.050
G18     350.4          66.6               12.4 +/-    0.63      13.4 +/-    0.63  0.060 / 0.170
G20     68.6           20.8               12.4 +/-    2.33      26.8 +/-    2.33  0.070 / 0.140
G21     88.2           74.3               13.0 +/-    0.84      13.4 +/-    0.84  0.060 / 0.100
G24     103.1          24.9               13.6 +/-    1.28      26.6 +/-    1.28  0.050 / 0.090
G27     302.9          33.4               12.9 +/-    1.41      21.2 +/-    1.41  0.040 / 0.050
G32     210.0          25.2               14.7 +/-    0.88      28.6 +/-    0.88  0.050 / 0.040