PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/09-20:28:10
G10     265.2          36.4               14.5 +/-    0.66      22.5 +/-    0.66  0.120 / 0.350
G13     43.3           20.9               11.1 +/-    0.75      23.9 +/-    0.75  0.110 / 0.300
G15     60.7           49.6               13.5 +/-    0.58      17.1 +/-    0.58  0.060 / 0.100
G16     285.0          11.5               13.8 +/-    3.00      37.2 +/-    3.00  0.050 / 0.090
G18     298.6          64.2               12.8 +/-    0.71      14.0 +/-    0.71  0.220 / 0.560
G20     53.4           36.2               12.2 +/-    0.83      18.9 +/-    0.83  0.170 / 0.580
G21     5.6            72.0               13.0 +/-    0.36      13.6 +/-    0.36  0.050 / 0.090
G24     122.8          13.0               13.6 +/-    2.18      35.4 +/-    2.18  0.050 / 0.110
G27     318.5          19.1               11.5 +/-    1.70      25.9 +/-    1.70  0.100 / 0.170
G29     165.6          27.9               13.9 +/-    1.77      25.6 +/-    1.77  0.110 / 0.200