PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/09-03:27:50
G01     318.5          19.3                6.3 +/-    1.82      14.0 +/-    1.82  0.210 / 0.240
G08     254.9          12.3               11.1 +/-    1.62      29.5 +/-    1.62  0.210 / 0.360
G10     82.5           52.1                7.9 +/-    0.95       9.7 +/-    0.95  0.140 / 0.240
G11     300.9          24.3                5.6 +/-    1.32      11.1 +/-    1.32  0.140 / 0.210
G14     298.2          70.2                7.5 +/-    0.96       7.9 +/-    0.96  0.040 / 0.040
G18     302.9          41.6                7.1 +/-    0.89      10.1 +/-    0.89  0.040 / 0.050
G20     92.4           54.5               12.0 +/-    1.26      14.3 +/-    1.26  0.080 / 0.160
G22     301.5          11.3                5.8 +/-    6.62      15.6 +/-    6.62  0.090 / 0.130
G31     173.4          45.8                8.2 +/-    0.85      11.0 +/-    0.85  0.190 / 0.290
G32     14.7           65.0                6.0 +/-    0.24       6.6 +/-    0.24  0.200 / 0.260