PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/30-17:43:00
G05     47.2           21.9               10.6 +/-    2.54      22.4 +/-    2.54  0.070 / 0.080
G10     233.9          11.7               -0.0 +/-   45.46      -0.1 +/-   45.46  0.090 / 0.080
G13     78.8           35.3               15.1 +/-    1.06      23.9 +/-    1.06  0.470 / 0.680
G15     128.5          50.4               12.9 +/-    0.55      16.2 +/-    0.55  0.240 / 0.450
G16     316.2          11.6                5.1 +/-   18.85      13.9 +/-   18.85  0.050 / 0.130
G20     246.0          35.9               14.7 +/-    2.01      22.9 +/-    2.01  0.080 / 0.100
G21     310.2          44.2               12.9 +/-    1.10      17.6 +/-    1.10  0.030 / 0.040
G25     201.6          14.4               14.8 +/-    3.79      37.3 +/-    3.79  0.030 / 0.050
G26     290.8          20.3               11.5 +/-    1.35      25.1 +/-    1.35  0.290 / 0.320
G29     149.1          77.1               12.0 +/-    1.07      12.3 +/-    1.07  0.230 / 0.260