PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/01-00:12:50
G05     51.0           14.2                6.9 +/-    2.87      17.4 +/-    2.87  0.130 / 0.190
G10     241.0          16.8               13.7 +/-    1.41      32.5 +/-    1.41  0.090 / 0.160
G13     68.1           36.3               10.6 +/-    1.97      16.4 +/-    1.97  0.040 / 0.050
G15     116.1          56.0               10.0 +/-    0.46      11.8 +/-    0.46  0.040 / 0.060
G16     309.1          13.5                7.8 +/-    1.73      20.1 +/-    1.73  0.130 / 0.300
G18     252.3          46.4               10.9 +/-    4.09      14.4 +/-    4.09  0.080 / 0.250
G20     35.2           58.2               10.7 +/-    1.28      12.4 +/-    1.28  0.090 / 0.160
G21     319.6          51.8                8.4 +/-    1.17      10.4 +/-    1.17  0.090 / 0.140
G26     281.8          19.1               10.7 +/-    2.52      24.2 +/-    2.52  0.030 / 0.030
G29     159.6          61.8               11.0 +/-    0.67      12.3 +/-    0.67  0.030 / 0.030