PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/12-20:57:50
G10     285.3          48.3               13.2 +/-    1.08      17.0 +/-    1.08  0.080 / 0.120
G15     48.9           37.1               10.8 +/-    0.78      16.5 +/-    0.78  0.090 / 0.150
G20     331.7          64.9               12.6 +/-    1.08      13.7 +/-    1.08  0.050 / 0.040
G21     52.7           77.3               14.6 +/-    0.31      14.9 +/-    0.31  0.040 / 0.050
G24     109.1          22.3               17.3 +/-    1.07      36.0 +/-    1.07  0.040 / 0.090
G27     310.0          29.1               13.7 +/-    1.94      24.5 +/-    1.94  0.040 / 0.070
G29     168.2          17.0               19.6 +/-    2.17      46.4 +/-    2.17  0.070 / 0.150
G32     206.8          22.8               18.5 +/-    0.63      38.0 +/-    0.63  0.060 / 0.170