PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/08-20:12:30
G10     254.3          31.3               14.2 +/-    2.18      24.3 +/-    2.18  0.050 / 0.050
G13     49.5           26.3                7.9 +/-    2.05      15.1 +/-    2.05  0.050 / 0.040
G15     79.8           57.2               10.2 +/-    0.66      11.8 +/-    0.66  0.110 / 0.170
G16     291.3          15.5                9.9 +/-    1.71      24.4 +/-    1.71  0.160 / 0.210
G20     276.8          54.1               11.8 +/-    3.04      14.2 +/-    3.04  0.030 / 0.040
G21     338.5          62.3               10.6 +/-    0.53      11.8 +/-    0.53  0.040 / 0.040
G26     264.3          13.8               11.3 +/-    1.75      28.9 +/-    1.75  0.100 / 0.480
G29     164.8          46.0               12.4 +/-    1.13      16.5 +/-    1.13  0.110 / 0.410