PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/08-14:12:40
G05     49.5           16.1                4.7 +/-    2.42      11.4 +/-    2.42  0.130 / 0.180
G10     238.0          15.2                5.8 +/-    2.35      14.4 +/-    2.35  0.090 / 0.130
G13     71.6           35.6                9.1 +/-    0.95      14.2 +/-    0.95  0.050 / 0.080
G15     122.1          54.1               10.1 +/-    0.73      12.2 +/-    0.73  0.040 / 0.060
G16     312.7          12.6                2.5 +/-    1.98       6.7 +/-    1.98  0.130 / 0.260
G20     250.9          39.3                9.5 +/-    1.98      13.9 +/-    1.98  0.090 / 0.360
G21     319.0          51.2                7.5 +/-    0.75       9.4 +/-    0.75  0.060 / 0.110
G26     286.9          19.3                3.6 +/-    1.04       8.1 +/-    1.04  0.050 / 0.110
G29     155.6          67.6               10.8 +/-    0.95      11.6 +/-    0.95  0.040 / 0.030