PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/10-18:12:40
G10     259.0          34.7               14.3 +/-    1.25      22.8 +/-    1.25  0.050 / 0.040
G13     45.9           23.0               10.9 +/-    1.12      22.3 +/-    1.12  0.050 / 0.060
G15     68.6           53.4               14.0 +/-    0.31      17.0 +/-    0.31  0.070 / 0.220
G16     286.1          14.8               10.2 +/-    2.17      25.4 +/-    2.17  0.070 / 0.220
G20     285.8          57.6               14.3 +/-    0.66      16.6 +/-    0.66  0.120 / 0.260
G21     346.4          65.9               13.5 +/-    0.60      14.7 +/-    0.60  0.140 / 0.230
G26     259.9          11.6               13.1 +/-    1.92      35.3 +/-    1.92  0.150 / 0.390
G27     321.7          12.1               10.9 +/-    3.51      28.9 +/-    3.51  0.170 / 0.460
G29     166.1          40.9               18.2 +/-    0.55      26.1 +/-    0.55  0.080 / 0.120