PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/14-00:57:50
G10     283.7          46.0               10.2 +/-    1.72      13.5 +/-    1.72  0.110 / 0.180
G15     49.3           38.4                7.5 +/-    1.01      11.2 +/-    1.01  0.100 / 0.210
G18     332.8          66.7                8.5 +/-    0.32       9.2 +/-    0.32  0.050 / 0.060
G20     65.2           23.2                7.7 +/-    0.88      15.8 +/-    0.88  0.040 / 0.060
G21     58.1           77.2               10.8 +/-    0.78      11.1 +/-    0.78  0.050 / 0.050
G24     108.6          22.1               10.0 +/-    0.80      20.8 +/-    0.80  0.050 / 0.040
G27     308.0          30.4                9.3 +/-    1.45      16.2 +/-    1.45  0.090 / 0.300
G29     167.6          14.2               12.1 +/-    2.58      30.7 +/-    2.58  0.110 / 0.320
G32     207.8          21.6               13.8 +/-    0.73      29.2 +/-    0.73  0.070 / 0.100