PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/09-05:28:00
G01     319.5          16.7                4.6 +/-    2.70      10.9 +/-    2.70  0.130 / 0.260
G08     258.9          13.8                8.4 +/-    1.19      21.5 +/-    1.19  0.130 / 0.360
G10     77.7           53.9                4.6 +/-    0.58       5.5 +/-    0.58  0.040 / 0.050
G11     304.3          22.4                2.1 +/-    1.16       4.4 +/-    1.16  0.040 / 0.060
G14     286.2          68.5                5.0 +/-    0.52       5.3 +/-    0.52  0.070 / 0.270
G18     306.0          39.1                4.4 +/-    0.75       6.5 +/-    0.75  0.080 / 0.240
G20     100.0          39.6                7.7 +/-    1.29      11.2 +/-    1.29  0.110 / 0.270
G22     300.3          10.7               -0.8 +/-    6.49      -2.2 +/-    6.49  0.110 / 0.190
G31     174.3          42.5                6.7 +/-    0.83       9.4 +/-    0.83  0.050 / 0.040
G32     9.3            67.3                4.2 +/-    1.08       4.5 +/-    1.08  0.050 / 0.050