PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/09-08:27:40
G03     239.3          66.7              -13.7 +/-   14.21     -14.8 +/-   14.21  0.080 / 0.150
G07     249.9          11.1               -5.8 +/-   10.62     -15.9 +/-   10.62  0.090 / 0.140
G09     305.8          22.6                3.9 +/-    1.71       8.0 +/-    1.71  0.080 / 0.330
G14     102.4          11.2                1.2 +/-    3.15       3.3 +/-    3.15  0.100 / 0.240
G16     125.0          60.9               23.7 +/-   13.00      26.7 +/-   13.00  0.040 / 0.050
G22     192.3          52.9               18.7 +/-   10.46      22.8 +/-   10.46  0.040 / 0.060
G23     320.0          49.6                3.4 +/-    1.03       4.3 +/-    1.03  0.060 / 0.050
G26     67.5           51.9              -79.0 +/-   66.65     -97.5 +/-   66.65  0.040 / 0.050
G31     53.2           18.3               13.6 +/-   17.17      31.1 +/-   17.17  0.160 / 0.470