PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/13-18:43:00
G10     284.6          46.5               10.9 +/-    1.60      14.4 +/-    1.60  0.070 / 0.100
G15     48.2           35.1                9.3 +/-    0.59      14.8 +/-    0.59  0.060 / 0.090
G18     340.6          67.1                9.5 +/-    0.61      10.3 +/-    0.61  0.110 / 0.220
G20     64.6           25.1               10.6 +/-    0.91      20.6 +/-    0.91  0.120 / 0.230
G21     74.7           75.0               12.6 +/-    0.31      13.0 +/-    0.31  0.080 / 0.230
G24     107.9          22.5               13.7 +/-    1.45      28.4 +/-    1.45  0.090 / 0.190
G27     307.7          30.7               10.9 +/-    1.07      18.8 +/-    1.07  0.040 / 0.040
G29     166.1          10.8               13.1 +/-    1.65      35.8 +/-    1.65  0.040 / 0.050
G32     208.1          21.7               11.5 +/-    1.02      24.3 +/-    1.02  0.070 / 0.150