PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/25-00:12:40
G10     283.7          46.0               11.9 +/-    1.51      15.8 +/-    1.51  0.040 / 0.040
G15     49.2           37.9               10.5 +/-    0.84      15.9 +/-    0.84  0.040 / 0.040
G18     333.6          66.8               10.3 +/-    0.37      11.1 +/-    0.37  0.110 / 0.210
G20     65.1           23.4                9.6 +/-    1.27      19.5 +/-    1.27  0.100 / 0.200
G21     59.5           77.1               11.0 +/-    0.81      11.3 +/-    0.81  0.050 / 0.060
G24     108.6          22.1               13.6 +/-    0.97      28.4 +/-    0.97  0.040 / 0.070
G27     308.0          30.4               12.0 +/-    1.31      20.8 +/-    1.31  0.060 / 0.090
G29     167.4          13.8               15.0 +/-    1.16      38.5 +/-    1.16  0.060 / 0.090
G32     207.9          21.3               13.9 +/-    1.67      29.7 +/-    1.67  0.100 / 0.360