PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/08-20:43:10
G08     293.2          23.1                8.0 +/-    1.26      16.3 +/-    1.26  0.120 / 0.110
G10     4.1            63.0                8.2 +/-    1.03       9.1 +/-    1.03  0.110 / 0.090
G14     229.7          46.8               10.4 +/-    2.35      13.7 +/-    2.35  0.050 / 0.080
G18     63.7           50.8                8.1 +/-    0.63      10.2 +/-    0.63  0.050 / 0.080
G21     145.2          37.3               10.9 +/-    0.89      16.6 +/-    0.89  0.090 / 0.110
G24     57.8           26.8                9.4 +/-    0.97      17.6 +/-    0.97  0.070 / 0.120
G27     253.4          31.7               10.0 +/-    2.43      16.8 +/-    2.43  0.030 / 0.030
G32     243.5          65.0                9.3 +/-    0.78      10.2 +/-    0.78  0.040 / 0.030