PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/11-16:58:00
G01     100.4          28.7               11.4 +/-    1.07      20.5 +/-    1.07  0.030 / 0.100
G07     115.8          53.5               12.1 +/-    0.42      14.7 +/-    0.42  0.020 / 0.080
G08     41.8           15.9                8.9 +/-    1.72      21.6 +/-    1.72  0.030 / 0.050
G11     80.4           42.5               11.3 +/-    0.71      15.8 +/-    0.71  0.030 / 0.050
G13     304.0          32.3               12.0 +/-    1.35      20.1 +/-    1.35  0.040 / 0.090
G17     209.4          42.6               13.3 +/-    1.68      18.6 +/-    1.68  0.050 / 0.080
G18     73.4           24.8               10.6 +/-    0.50      20.9 +/-    0.50  0.130 / 0.330
G19     211.3          17.0               11.7 +/-    1.81      27.8 +/-    1.81  0.110 / 0.360
G28     331.1          61.7               10.4 +/-    0.62      11.6 +/-    0.62  0.040 / 0.080
G30     59.9           79.8               11.6 +/-    0.57      11.8 +/-    0.57  0.050 / 0.080