PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/06-19:28:00
G10     294.6          50.4               10.2 +/-    2.68      12.8 +/-    2.68  0.090 / 0.080
G14     209.8          11.4               -0.9 +/-   23.13      -2.5 +/-   23.13  0.060 / 0.080
G15     46.2           28.7                8.8 +/-    1.37      15.8 +/-    1.37  0.080 / 0.110
G18     357.8          66.2               10.7 +/-    0.39      11.6 +/-    0.39  0.070 / 0.130
G20     70.0           19.9                9.7 +/-    2.24      21.3 +/-    2.24  0.030 / 0.040
G21     98.5           71.8               11.6 +/-    0.61      12.1 +/-    0.61  0.030 / 0.040
G24     100.5          26.0               10.8 +/-    1.40      20.6 +/-    1.40  0.080 / 0.180
G27     300.4          34.5                9.6 +/-    1.83      15.4 +/-    1.83  0.080 / 0.170
G32     210.7          28.6               11.6 +/-    1.75      20.9 +/-    1.75  0.110 / 0.130