PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/24-17:13:10
G10     258.3          34.3               12.9 +/-    2.52      20.7 +/-    2.52  0.140 / 0.240
G13     46.4           23.4               14.2 +/-    2.62      28.7 +/-    2.62  0.540 / 0.340
G15     68.9           53.2               14.7 +/-    0.81      17.9 +/-    0.81  0.160 / 0.900
G16     286.7          15.0                7.9 +/-    7.33      19.7 +/-    7.33  0.160 / 0.620
G20     285.0          57.5               13.3 +/-    1.66      15.5 +/-    1.66  0.040 / 0.040
G21     345.6          65.5               15.1 +/-    1.01      16.5 +/-    1.01  0.050 / 0.040
G26     260.6          12.0                9.5 +/-   16.52      25.3 +/-   16.52  0.070 / 0.210
G27     321.8          11.6               -2.7 +/-   37.18      -7.2 +/-   37.18  0.060 / 0.180
G29     166.0          41.9               16.7 +/-    1.09      23.5 +/-    1.09  0.190 / 0.100