PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/09-23:12:40
G10     286.9          47.4               10.6 +/-    1.30      13.8 +/-    1.30  0.080 / 0.210
G15     48.0           35.1               10.1 +/-    0.80      16.1 +/-    0.80  0.080 / 0.170
G18     340.8          66.9               10.6 +/-    0.75      11.5 +/-    0.75  0.040 / 0.050
G20     66.7           22.1                9.8 +/-    1.11      20.5 +/-    1.11  0.040 / 0.050
G21     72.5           76.4               12.0 +/-    0.38      12.3 +/-    0.38  0.100 / 0.140
G24     106.3          23.4               12.8 +/-    0.99      26.0 +/-    0.99  0.090 / 0.170
G27     305.9          31.8               11.1 +/-    1.45      18.8 +/-    1.45  0.060 / 0.110
G29     167.0          10.9               13.9 +/-    3.33      38.1 +/-    3.33  0.060 / 0.100
G32     208.8          23.0               13.4 +/-    2.20      27.5 +/-    2.20  0.070 / 0.220