PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/28-20:13:00
G05     49.7           15.1                7.5 +/-    1.79      18.7 +/-    1.79  0.050 / 0.090
G10     238.2          16.6               12.0 +/-    2.21      28.8 +/-    2.21  0.060 / 0.080
G13     70.3           34.8               10.2 +/-    0.48      16.2 +/-    0.48  0.120 / 0.370
G15     120.0          54.5               10.8 +/-    0.39      13.0 +/-    0.39  0.100 / 0.300
G16     310.9          13.7                8.6 +/-    1.78      22.2 +/-    1.78  0.090 / 0.350
G20     251.9          40.1               13.1 +/-    1.07      19.1 +/-    1.07  0.130 / 0.370
G21     316.2          48.4               10.1 +/-    0.64      13.0 +/-    0.64  0.050 / 0.140
G26     284.1          19.8                9.4 +/-    1.46      20.7 +/-    1.46  0.050 / 0.130
G29     155.8          68.9                9.8 +/-    1.32      10.5 +/-    1.32  0.030 / 0.050