PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/16-21:43:00
G08     308.3          19.7               12.3 +/-    2.28      27.2 +/-    2.28  0.060 / 0.080
G10     331.0          59.7               12.1 +/-    0.63      13.7 +/-    0.63  0.070 / 0.080
G14     218.4          32.4               14.4 +/-    1.43      24.0 +/-    1.43  0.050 / 0.080
G18     40.1           58.9               13.0 +/-    0.34      15.0 +/-    0.34  0.050 / 0.080
G21     134.3          54.1               14.0 +/-    0.65      16.8 +/-    0.65  0.030 / 0.050
G24     75.1           30.6               14.1 +/-    0.46      24.4 +/-    0.46  0.030 / 0.060
G27     272.5          37.5               13.8 +/-    0.83      20.9 +/-    0.83  0.070 / 0.190
G32     223.8          49.5               14.5 +/-    1.10      18.4 +/-    1.10  0.070 / 0.150