PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/17-21:57:40
G10     260.8          35.7               11.2 +/-    1.92      17.5 +/-    1.92  0.110 / 0.330
G13     44.8           21.8                7.4 +/-    1.53      15.6 +/-    1.53  0.140 / 0.340
G15     67.3           53.4                9.3 +/-    0.74      11.2 +/-    0.74  0.050 / 0.050
G16     285.1          14.3                7.6 +/-    1.63      19.3 +/-    1.63  0.040 / 0.050
G20     286.9          57.3                9.8 +/-    1.89      11.4 +/-    1.89  0.160 / 0.290
G21     348.5          67.0                8.9 +/-    0.92       9.6 +/-    0.92  0.100 / 0.250
G24     126.7          10.4               -2.0 +/-   35.83      -5.5 +/-   35.83  0.030 / 0.040
G26     258.5          10.8               10.8 +/-    3.53      29.5 +/-    3.53  0.020 / 0.030
G27     321.3          13.3                6.3 +/-    2.06      16.3 +/-    2.06  0.180 / 0.410
G29     166.1          38.1               10.2 +/-    0.88      15.3 +/-    0.88  0.150 / 0.360