PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/06-18:27:40
G10     258.4          34.3               11.1 +/-    2.13      17.8 +/-    2.13  0.040 / 0.060
G13     46.3           23.4                8.6 +/-    1.94      17.3 +/-    1.94  0.040 / 0.050
G15     69.7           53.9                9.5 +/-    0.64      11.4 +/-    0.64  0.160 / 0.710
G16     286.7          15.0                7.7 +/-    2.83      19.3 +/-    2.83  0.160 / 0.580
G20     284.6          57.1               10.6 +/-    2.10      12.4 +/-    2.10  0.090 / 0.200
G21     345.3          65.5               11.0 +/-    0.84      12.0 +/-    0.84  0.070 / 0.210
G26     260.4          11.9                9.8 +/-    2.45      26.3 +/-    2.45  0.040 / 0.050
G27     321.8          11.6               -2.1 +/-   34.58      -5.7 +/-   34.58  0.040 / 0.050
G29     165.9          41.6               11.1 +/-    0.83      15.8 +/-    0.83  0.410 / 0.440