PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/29-22:27:30
G01     320.8          11.2               -8.9 +/-   39.57     -24.3 +/-   39.57  0.220 / 0.310
G08     263.8          17.0               13.4 +/-    1.40      31.7 +/-    1.40  0.220 / 0.330
G10     65.1           57.9               11.2 +/-    0.56      12.9 +/-    0.56  0.060 / 0.110
G11     309.2          19.4               10.9 +/-    1.81      24.4 +/-    1.81  0.080 / 0.150
G14     275.7          68.5               11.3 +/-    0.82      12.1 +/-    0.82  0.160 / 0.390
G18     94.8           33.9               11.0 +/-    0.48      17.9 +/-    0.48  0.180 / 0.350
G21     153.9          9.9                15.4 +/-   13.74      43.0 +/-   13.74  0.280 / 0.450
G27     228.5          13.6               15.3 +/-    3.92      39.4 +/-    3.92  0.200 / 0.340
G31     180.9          29.7               15.7 +/-    1.60      27.7 +/-    1.60  0.050 / 0.050
G32     338.3          73.3               11.4 +/-    0.62      11.9 +/-    0.62  0.050 / 0.060