PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/13-18:58:00
G10     293.7          50.1               10.4 +/-    0.60      13.1 +/-    0.60  0.050 / 0.090
G14     209.7          10.8               -2.3 +/-   28.97      -6.4 +/-   28.97  0.060 / 0.090
G15     46.3           29.1                8.8 +/-    0.51      15.6 +/-    0.51  0.070 / 0.130
G18     356.8          66.3                9.6 +/-    0.64      10.3 +/-    0.64  0.060 / 0.130
G20     69.5           20.6               10.7 +/-    1.74      23.2 +/-    1.74  0.080 / 0.240
G21     97.4           71.8               11.9 +/-    0.98      12.4 +/-    0.98  0.090 / 0.220
G24     101.1          25.7               13.0 +/-    0.98      25.0 +/-    0.98  0.050 / 0.050
G27     301.1          34.2               11.0 +/-    1.03      17.8 +/-    1.03  0.040 / 0.050
G32     210.4          28.2               12.8 +/-    1.66      23.3 +/-    1.66  0.340 / 0.730