PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/08-18:28:10
G05     50.2           15.8                8.5 +/-    2.31      20.8 +/-    2.31  0.060 / 0.060
G10     239.9          17.0               16.3 +/-    1.01      38.6 +/-    1.01  0.050 / 0.060
G13     68.2           35.2               11.6 +/-    1.04      18.3 +/-    1.04  0.060 / 0.120
G15     122.4          55.5               13.8 +/-    0.65      16.4 +/-    0.65  0.050 / 0.110
G16     308.8          14.3                9.5 +/-    1.31      23.9 +/-    1.31  0.100 / 0.380
G20     253.6          41.2               14.0 +/-    1.61      19.9 +/-    1.61  0.090 / 0.310
G21     319.4          51.1               13.2 +/-    0.93      16.4 +/-    0.93  0.110 / 0.200
G26     281.8          19.5               10.7 +/-    1.58      23.8 +/-    1.58  0.170 / 0.290
G29     159.0          66.1               12.4 +/-    0.99      13.4 +/-    0.99  0.030 / 0.050