PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/29-21:12:50
G08     270.3          20.3                9.8 +/-    2.90      21.3 +/-    2.90  0.090 / 0.150
G10     52.1           59.9                9.5 +/-    0.50      10.8 +/-    0.50  0.110 / 0.220
G14     256.2          63.1               12.5 +/-    0.82      13.9 +/-    0.82  0.120 / 0.340
G18     314.2          29.3               11.8 +/-    1.46      21.0 +/-    1.46  0.130 / 0.390
G20     90.2           39.9               12.2 +/-    0.41      17.7 +/-    0.41  0.060 / 0.060
G21     153.5          19.1               13.4 +/-    2.68      30.1 +/-    2.68  0.050 / 0.070
G24     40.3           10.7                9.4 +/-    2.45      25.9 +/-    2.45  0.090 / 0.290
G27     237.3          19.7               12.4 +/-    1.76      27.5 +/-    1.76  0.100 / 0.240
G31     180.1          24.3               13.7 +/-    2.12      27.3 +/-    2.12  0.150 / 0.320
G32     320.3          76.0               11.7 +/-    0.84      12.0 +/-    0.84  0.180 / 0.430