PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/30-02:57:30
G01     318.4          19.0                8.2 +/-    1.86      18.4 +/-    1.86  0.190 / 0.270
G08     254.7          12.5               10.9 +/-    1.73      28.8 +/-    1.73  0.220 / 0.300
G10     80.6           53.5                7.4 +/-    0.93       9.0 +/-    0.93  0.020 / 0.030
G11     300.5          25.3                9.4 +/-    1.29      18.4 +/-    1.29  0.030 / 0.040
G14     305.9          71.6                7.8 +/-    0.30       8.2 +/-    0.30  0.050 / 0.050
G18     102.4          29.1                7.3 +/-    0.84      13.1 +/-    0.84  0.040 / 0.050
G22     300.9          11.3                2.3 +/-    9.75       6.3 +/-    9.75  0.250 / 0.440
G31     176.9          42.2               11.2 +/-    1.04      15.7 +/-    1.04  0.230 / 0.490
G32     4.6            67.8                7.9 +/-    0.68       8.5 +/-    0.68  0.160 / 0.400