PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/08-19:12:50
G05     47.3           21.0                8.0 +/-    0.73      17.1 +/-    0.73  0.050 / 0.090
G10     233.9          11.5               12.8 +/-   23.82      34.6 +/-   23.82  0.050 / 0.090
G13     78.8           35.4               10.6 +/-    0.62      16.7 +/-    0.62  0.250 / 0.380
G15     130.9          50.1               12.8 +/-    1.07      16.1 +/-    1.07  0.210 / 0.390
G16     316.5          11.4                8.3 +/-    4.19      22.5 +/-    4.19  0.060 / 0.140
G20     245.7          35.3               15.6 +/-    0.85      24.6 +/-    0.85  0.060 / 0.130
G21     310.0          44.0                9.5 +/-    1.17      13.0 +/-    1.17  0.030 / 0.050
G25     201.7          14.4               16.8 +/-    1.91      42.5 +/-    1.91  0.040 / 0.060
G26     290.9          20.3               12.0 +/-    2.13      26.2 +/-    2.13  0.190 / 0.620
G29     149.0          76.8               13.5 +/-    0.87      13.8 +/-    0.87  0.170 / 0.630