PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/15-22:12:40
G05     51.4           11.8                6.9 +/-    3.40      18.5 +/-    3.40  0.230 / 0.140
G10     240.7          17.7               15.5 +/-    3.21      36.0 +/-    3.21  0.210 / 0.130
G13     66.9           35.1               10.3 +/-    1.09      16.3 +/-    1.09  0.050 / 0.050
G15     118.7          56.1               11.0 +/-    0.50      12.9 +/-    0.50  0.040 / 0.050
G16     306.4          15.3                8.5 +/-    2.98      21.1 +/-    2.98  0.090 / 0.360
G20     245.6          12.5               12.6 +/-    2.28      33.3 +/-    2.28  0.090 / 0.370
G21     318.8          50.7                9.4 +/-    0.48      11.8 +/-    0.48  0.050 / 0.100
G26     278.6          19.8               10.7 +/-    1.44      23.8 +/-    1.44  0.060 / 0.090
G29     160.7          65.8               10.1 +/-    0.35      11.0 +/-    0.35  0.040 / 0.040