PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/12-02:13:10
G01     316.8          22.3                9.6 +/-    2.90      20.0 +/-    2.90  0.040 / 0.030
G10     86.8           51.1                8.5 +/-    1.45      10.6 +/-    1.45  0.040 / 0.040
G11     296.7          26.7                7.2 +/-    1.51      13.5 +/-    1.51  0.140 / 0.330
G14     319.4          71.5                8.3 +/-    0.83       8.7 +/-    0.83  0.200 / 0.280
G18     105.9          25.8                7.5 +/-    0.88      14.4 +/-    0.88  0.220 / 0.270
G22     302.9          13.9                6.2 +/-    3.41      15.8 +/-    3.41  0.130 / 0.200
G25     93.4           10.7                9.1 +/-    2.39      25.1 +/-    2.39  0.040 / 0.040
G31     176.6          46.3                9.9 +/-    0.62      13.2 +/-    0.62  0.050 / 0.050
G32     11.4           65.3                7.0 +/-    0.52       7.6 +/-    0.52  0.160 / 0.300