PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/12-22:12:30
G08     309.0          18.6                8.8 +/-    1.59      20.1 +/-    1.59  0.060 / 0.050
G10     342.9          61.4                9.2 +/-    0.46      10.4 +/-    0.46  0.060 / 0.050
G14     219.7          31.9               13.3 +/-    1.77      22.4 +/-    1.77  0.140 / 0.220
G20     45.9           58.2               11.9 +/-    1.22      13.8 +/-    1.22  0.110 / 0.180
G21     137.9          54.5               12.9 +/-    0.92      15.4 +/-    0.92  0.080 / 0.210
G24     71.1           30.2               11.6 +/-    1.40      20.3 +/-    1.40  0.100 / 0.210
G27     270.5          37.1               11.9 +/-    2.49      18.1 +/-    2.49  0.030 / 0.030
G32     226.0          56.2               12.6 +/-    2.37      14.9 +/-    2.37  0.040 / 0.030