PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/07-19:27:40
G10     260.5          34.4               23.3 +/-    1.20      37.4 +/-    1.20  0.140 / 0.200
G13     45.2           22.7               19.4 +/-    1.77      39.9 +/-    1.77  0.100 / 0.190
G15     72.0           56.5               22.5 +/-    0.60      26.4 +/-    0.60  0.070 / 0.060
G16     284.8          14.0               20.5 +/-    1.52      52.3 +/-    1.52  0.060 / 0.050
G20     286.2          57.2               23.5 +/-    1.04      27.3 +/-    1.04  0.140 / 0.400
G21     351.0          68.0               22.4 +/-    0.86      23.9 +/-    0.86  0.110 / 0.370
G24     122.7          10.9               11.1 +/-   59.94      30.4 +/-   59.94  0.110 / 0.340
G26     258.4          10.8               21.4 +/-    2.59      58.8 +/-    2.59  0.150 / 0.370
G27     321.5          12.6               16.1 +/-    3.56      42.4 +/-    3.56  0.080 / 0.250
G29     166.9          38.2               27.0 +/-    0.94      40.5 +/-    0.94  0.070 / 0.250