PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/24-17:12:30
G02     321.0          79.7                7.7 +/-    1.27       7.8 +/-    1.27  0.060 / 0.110
G05     165.5          31.9               10.1 +/-    0.69      17.1 +/-    0.69  0.040 / 0.090
G06     41.9           39.0                6.8 +/-    0.62      10.1 +/-    0.62  0.150 / 0.210
G12     310.8          75.6                6.8 +/-    1.48       7.0 +/-    1.48  0.160 / 0.230
G17     85.9           10.5                8.8 +/-    1.84      24.4 +/-    1.84  0.110 / 0.120
G19     71.8           31.0                9.4 +/-    0.61      16.2 +/-    0.61  0.110 / 0.140
G24     227.4          23.0               12.6 +/-    2.31      25.9 +/-    2.31  0.030 / 0.030
G25     317.3          28.8                5.5 +/-    1.80       9.9 +/-    1.80  0.030 / 0.040