PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/08-02:28:00
G08     308.3          19.9                8.3 +/-    1.30      18.2 +/-    1.30  0.050 / 0.080
G10     329.5          59.5                7.8 +/-    0.45       8.9 +/-    0.45  0.060 / 0.100
G14     218.0          32.4                9.7 +/-    2.10      16.1 +/-    2.10  0.060 / 0.170
G15     46.6           13.0                6.9 +/-    1.91      18.0 +/-    1.91  0.060 / 0.170
G18     35.8           60.3                8.9 +/-    0.45      10.1 +/-    0.45  0.030 / 0.050
G21     133.5          57.2                9.4 +/-    0.67      10.9 +/-    0.67  0.030 / 0.050
G24     75.9           30.6                9.1 +/-    0.54      15.8 +/-    0.54  0.020 / 0.030
G27     273.2          37.6                9.9 +/-    1.12      15.1 +/-    1.12  0.030 / 0.030
G32     223.3          50.8               10.7 +/-    1.55      13.4 +/-    1.55  0.050 / 0.070