PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/05-21:27:50
G05     47.9           22.2               15.3 +/-    1.01      32.0 +/-    1.01  0.110 / 0.230
G10     235.8          10.9               10.0 +/-   66.62      27.4 +/-   66.62  0.100 / 0.230
G13     78.7           37.6               20.5 +/-    0.66      31.1 +/-    0.66  0.040 / 0.070
G15     126.5          51.5               22.5 +/-    0.57      27.9 +/-    0.57  0.090 / 0.070
G16     317.2          10.4               -2.1 +/-   26.19      -5.7 +/-   26.19  0.160 / 0.510
G18     244.7          41.3               23.9 +/-    1.25      34.0 +/-    1.25  0.170 / 0.650
G20     28.0           66.5               19.7 +/-    0.74      21.3 +/-    0.74  0.050 / 0.100
G21     312.8          47.3               19.9 +/-    0.54      26.0 +/-    0.54  0.050 / 0.090
G26     291.3          19.5               20.8 +/-    1.57      46.4 +/-    1.57  0.030 / 0.050
G29     153.2          69.3               19.8 +/-    0.73      21.0 +/-    0.73  0.040 / 0.050