PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/11-21:12:50
G10     293.6          50.1               18.7 +/-    0.78      23.6 +/-    0.78  0.070 / 0.160
G14     209.6          11.2               14.7 +/-   46.18      39.9 +/-   46.18  0.060 / 0.140
G15     46.4           29.8               13.2 +/-    1.29      23.2 +/-    1.29  0.040 / 0.050
G18     354.8          66.4               17.4 +/-    0.68      18.8 +/-    0.68  0.040 / 0.040
G20     69.9           19.6               15.3 +/-    2.10      34.1 +/-    2.10  0.060 / 0.080
G21     94.4           73.2               19.2 +/-    1.46      20.0 +/-    1.46  0.070 / 0.100
G24     101.2          25.7               20.9 +/-    1.12      40.3 +/-    1.12  0.070 / 0.230
G27     301.0          34.3               17.4 +/-    0.87      27.9 +/-    0.87  0.090 / 0.210
G32     210.7          27.1               27.9 +/-    1.27      52.1 +/-    1.27  0.080 / 0.150