PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/04-23:13:10
G10     246.1          22.9               13.0 +/-    1.60      26.6 +/-    1.60  0.110 / 0.600
G13     58.8           32.5                9.7 +/-    0.59      16.1 +/-    0.59  0.150 / 0.670
G15     103.4          58.7               11.3 +/-    0.45      13.0 +/-    0.45  0.080 / 0.220
G16     299.6          16.0                7.8 +/-    2.05      18.9 +/-    2.05  0.090 / 0.230
G20     252.3          23.2                8.2 +/-    0.68      16.7 +/-    0.68  0.050 / 0.050
G21     326.2          55.6                9.7 +/-    0.83      11.5 +/-    0.83  0.040 / 0.060
G26     271.5          17.8               10.2 +/-    0.80      23.6 +/-    0.80  0.030 / 0.050
G29     163.6          57.4               11.9 +/-    1.01      13.8 +/-    1.01  0.030 / 0.050