PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/07-00:27:50
G01     317.6          20.9               11.4 +/-    4.81      24.5 +/-    4.81  0.120 / 0.240
G08     253.0          11.3               16.4 +/-    1.73      44.4 +/-    1.73  0.150 / 0.190
G10     84.4           52.0               13.2 +/-    0.60      16.2 +/-    0.60  0.210 / 0.280
G11     298.9          25.7               13.3 +/-    1.27      25.6 +/-    1.27  0.140 / 0.290
G14     312.9          71.5               12.6 +/-    0.73      13.2 +/-    0.73  0.030 / 0.030
G18     104.8          26.4               14.0 +/-    1.10      26.5 +/-    1.10  0.030 / 0.030
G22     302.0          12.3               11.4 +/-    2.69      30.2 +/-    2.69  0.060 / 0.070
G31     178.2          43.2               17.3 +/-    1.34      23.9 +/-    1.34  0.060 / 0.060
G32     5.7            67.1               12.5 +/-    0.56      13.5 +/-    0.56  0.030 / 0.050