PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/03-19:42:50
G10     259.9          34.0               11.2 +/-    1.38      18.1 +/-    1.38  0.140 / 0.270
G13     45.6           23.1                8.0 +/-    1.31      16.4 +/-    1.31  0.130 / 0.220
G15     73.4           57.0               10.5 +/-    0.73      12.2 +/-    0.73  0.160 / 0.310
G16     285.3          14.2                9.6 +/-    2.53      24.4 +/-    2.53  0.140 / 0.350
G20     285.1          56.9               11.8 +/-    0.82      13.7 +/-    0.82  0.060 / 0.060
G21     349.7          67.5               10.1 +/-    0.78      10.8 +/-    0.78  0.070 / 0.050
G24     123.3          10.5               -3.4 +/-   43.90      -9.3 +/-   43.90  0.110 / 0.350
G26     258.8          11.1               10.7 +/-    3.46      29.1 +/-    3.46  0.120 / 0.390
G27     321.7          12.2                8.7 +/-    3.60      23.1 +/-    3.60  0.040 / 0.070
G29     166.9          38.9               13.5 +/-    1.01      20.0 +/-    1.01  0.050 / 0.090