PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/11-21:43:00
G08     320.5          10.9               -3.3 +/-   34.19      -9.2 +/-   34.19  0.060 / 0.090
G10     313.6          56.9               11.4 +/-    0.66      13.3 +/-    0.66  0.060 / 0.090
G14     212.8          17.6               16.7 +/-    1.55      39.0 +/-    1.55  0.040 / 0.050
G15     45.6           20.8                7.6 +/-    0.91      16.4 +/-    0.91  0.040 / 0.040
G20     15.5           63.7               10.9 +/-    0.42      12.1 +/-    0.42  0.100 / 0.340
G21     117.5          68.5               11.9 +/-    0.87      12.7 +/-    0.87  0.150 / 0.400
G24     89.3           29.5               10.3 +/-    0.87      18.3 +/-    0.87  0.210 / 0.430
G27     290.7          37.2               11.4 +/-    1.78      17.4 +/-    1.78  0.170 / 0.470
G32     214.3          41.0               14.8 +/-    1.09      21.2 +/-    1.09  0.070 / 0.150