PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/13-18:27:50
G10     276.3          42.7                9.8 +/-    0.71      13.7 +/-    0.71  0.070 / 0.120
G13     39.2           12.8                9.3 +/-    0.99      24.3 +/-    0.99  0.060 / 0.120
G15     51.5           40.9               10.9 +/-    0.95      15.7 +/-    0.95  0.140 / 0.280
G18     323.8          66.9                9.5 +/-    0.89      10.2 +/-    0.89  0.110 / 0.280
G20     59.8           29.8               10.1 +/-    0.63      17.8 +/-    0.63  0.090 / 0.160
G21     46.7           75.8               11.1 +/-    0.42      11.4 +/-    0.42  0.060 / 0.160
G24     114.2          18.9               15.1 +/-    1.40      34.1 +/-    1.40  0.030 / 0.040
G27     313.0          26.4               11.3 +/-    0.87      21.3 +/-    0.87  0.030 / 0.050
G29     166.1          17.2               12.4 +/-    0.93      29.2 +/-    0.93  0.090 / 0.230
G32     206.5          15.4               14.6 +/-    2.43      35.9 +/-    2.43  0.110 / 0.210