PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/08-23:43:00
G08     319.8          11.9                8.6 +/-    4.45      22.9 +/-    4.45  0.060 / 0.050
G10     303.4          53.3                7.4 +/-    0.61       9.0 +/-    0.61  0.050 / 0.040
G14     211.4          17.8               13.3 +/-    1.51      30.9 +/-    1.51  0.090 / 0.110
G15     45.7           24.8               10.2 +/-    2.04      20.0 +/-    2.04  0.080 / 0.120
G18     7.9            65.1                7.8 +/-    0.72       8.5 +/-    0.72  0.070 / 0.080
G20     75.0           14.4                8.3 +/-    2.90      20.9 +/-    2.90  0.070 / 0.080
G21     110.5          69.9               12.2 +/-    1.36      12.9 +/-    1.36  0.030 / 0.030
G24     93.9           28.2               11.9 +/-    1.64      21.7 +/-    1.64  0.030 / 0.040
G27     293.2          36.8               10.4 +/-    2.73      16.0 +/-    2.73  0.140 / 0.420
G32     213.4          34.4                9.7 +/-    2.56      15.6 +/-    2.56  0.130 / 0.360