PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/07-02:27:30
G01     318.0          20.0               10.1 +/-    2.28      22.3 +/-    2.28  0.180 / 0.340
G08     253.7          11.9               14.6 +/-    2.41      39.2 +/-    2.41  0.200 / 0.380
G10     82.5           52.8                9.5 +/-    0.63      11.6 +/-    0.63  0.220 / 0.350
G11     299.5          25.7               11.5 +/-    1.99      22.2 +/-    1.99  0.200 / 0.330
G14     309.8          71.6                9.4 +/-    0.68       9.9 +/-    0.68  0.030 / 0.050
G18     103.5          28.0                8.9 +/-    1.36      16.2 +/-    1.36  0.030 / 0.030
G22     301.5          12.0                9.0 +/-    5.75      24.1 +/-    5.75  0.080 / 0.060
G31     177.0          43.2               13.6 +/-    1.18      18.8 +/-    1.18  0.040 / 0.050
G32     6.4            67.2                8.6 +/-    0.78       9.3 +/-    0.78  0.080 / 0.060