PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/25-19:12:50
G10     258.4          34.3               10.3 +/-    1.48      16.6 +/-    1.48  0.150 / 0.350
G13     46.3           23.4                7.9 +/-    1.32      16.0 +/-    1.32  0.130 / 0.290
G15     70.5           54.4               10.4 +/-    0.32      12.5 +/-    0.32  0.040 / 0.050
G16     286.8          14.9                7.4 +/-    2.16      18.6 +/-    2.16  0.040 / 0.060
G20     284.2          56.9               10.6 +/-    1.19      12.4 +/-    1.19  0.160 / 0.470
G21     345.0          65.4                7.9 +/-    0.75       8.7 +/-    0.75  0.140 / 0.430
G26     260.4          11.9               10.9 +/-    1.80      29.1 +/-    1.80  0.070 / 0.220
G27     321.8          11.6                2.7 +/-   27.13       7.3 +/-   27.13  0.080 / 0.240
G29     165.9          41.4               12.1 +/-    0.72      17.1 +/-    0.72  0.030 / 0.050