PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/03-22:57:40
G08     306.1          19.6                8.2 +/-    1.73      18.3 +/-    1.73  0.040 / 0.040
G10     350.5          62.1                9.6 +/-    0.45      10.7 +/-    0.45  0.040 / 0.050
G14     221.9          35.6               14.4 +/-    2.06      22.6 +/-    2.06  0.100 / 0.140
G20     51.8           56.6               11.4 +/-    0.31      13.3 +/-    0.31  0.080 / 0.150
G21     140.9          50.9               12.6 +/-    0.53      15.7 +/-    0.53  0.090 / 0.260
G24     66.8           29.5               11.9 +/-    0.92      21.1 +/-    0.92  0.090 / 0.190
G27     265.9          36.1               11.9 +/-    1.33      18.6 +/-    1.33  0.080 / 0.080
G32     230.1          59.5               11.8 +/-    1.64      13.4 +/-    1.64  0.070 / 0.080