PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/11-00:13:00
G10     255.8          29.9               14.5 +/-    1.97      25.5 +/-    1.97  0.180 / 0.320
G13     49.5           27.7                8.5 +/-    1.91      15.6 +/-    1.91  0.190 / 0.330
G15     77.7           56.8               10.6 +/-    2.20      12.4 +/-    2.20  0.100 / 0.110
G16     291.7          14.0               10.2 +/-    3.41      26.0 +/-    3.41  0.110 / 0.100
G18     277.6          58.6              -22.6 +/-   58.72     -25.9 +/-   58.72  0.210 / 0.340
G20     47.6           42.4               12.8 +/-    5.26      17.9 +/-    5.26  0.160 / 0.250
G21     341.7          64.6               15.5 +/-    7.09      17.0 +/-    7.09  0.040 / 0.050
G26     264.3          13.0               11.5 +/-    1.27      30.0 +/-    1.27  0.040 / 0.040
G27     321.7          11.4               -0.4 +/-   33.89      -1.0 +/-   33.89  0.050 / 0.060
G29     165.4          40.7               13.0 +/-    3.82      18.7 +/-    3.82  0.040 / 0.060