PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/25-19:13:00
G10     258.4          34.3                9.7 +/-    1.61      15.5 +/-    1.61  0.040 / 0.050
G13     46.3           23.4                7.2 +/-    2.44      14.5 +/-    2.44  0.040 / 0.050
G15     70.5           54.4                9.1 +/-    1.06      10.9 +/-    1.06  0.070 / 0.170
G16     286.8          14.9                6.2 +/-    2.90      15.3 +/-    2.90  0.100 / 0.220
G20     284.2          56.9                8.9 +/-    2.21      10.5 +/-    2.21  0.040 / 0.040
G21     345.0          65.4                9.7 +/-    0.72      10.6 +/-    0.72  0.040 / 0.040
G26     260.4          11.9               10.2 +/-    5.83      27.4 +/-    5.83  0.230 / 0.440
G27     321.8          11.6               -2.0 +/-   29.17      -5.4 +/-   29.17  0.250 / 0.430
G29     165.9          41.4                9.8 +/-    0.62      13.9 +/-    0.62  0.360 / 0.420