PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/30-01:27:40
G01     309.2          31.5                7.6 +/-    1.79      13.0 +/-    1.79  0.030 / 0.040
G10     102.8          42.9                7.6 +/-    0.63      10.5 +/-    0.63  0.030 / 0.040
G11     283.5          29.1                8.8 +/-    1.42      15.6 +/-    1.42  0.090 / 0.110
G14     354.5          67.6                7.0 +/-    0.96       7.5 +/-    0.96  0.060 / 0.090
G18     115.4          16.4                7.2 +/-    1.62      17.2 +/-    1.62  0.060 / 0.150
G22     308.3          23.0                5.5 +/-    0.89      11.4 +/-    0.89  0.070 / 0.150
G25     82.3           15.5                6.8 +/-    1.91      16.6 +/-    1.91  0.030 / 0.050
G31     173.5          59.7                8.7 +/-    0.47       9.9 +/-    0.47  0.030 / 0.040
G32     28.8           57.0                5.7 +/-    0.91       6.7 +/-    0.91  0.030 / 0.040