PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/31-00:12:40
G10     298.8          51.8               10.8 +/-    1.04      13.3 +/-    1.04  0.060 / 0.040
G14     210.5          15.0               16.5 +/-    4.55      41.1 +/-    4.55  0.030 / 0.050
G15     46.0           27.9                9.2 +/-    0.98      16.9 +/-    0.98  0.070 / 0.160
G18     0.4            65.8               11.5 +/-    0.36      12.5 +/-    0.36  0.080 / 0.150
G20     72.9           16.2               10.1 +/-    1.12      24.3 +/-    1.12  0.060 / 0.120
G21     102.4          72.4               12.8 +/-    0.40      13.4 +/-    0.40  0.050 / 0.100
G24     97.3           27.2               14.3 +/-    1.06      26.6 +/-    1.06  0.030 / 0.050
G27     296.9          35.8               11.8 +/-    1.44      18.4 +/-    1.44  0.030 / 0.050
G32     212.0          31.7               12.7 +/-    1.96      21.4 +/-    1.96  0.090 / 0.090