PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/03-19:57:50
G05     52.3           11.8               13.3 +/-   13.06      35.6 +/-   13.06  0.110 / 0.260
G10     243.3          19.2               17.5 +/-   40.08      39.3 +/-   40.08  0.110 / 0.240
G13     64.6           35.5               15.3 +/-   10.04      24.0 +/-   10.04  0.040 / 0.070
G15     105.3          56.9               16.2 +/-   39.69      18.9 +/-   39.69  0.040 / 0.060
G16     308.6          12.9               14.8 +/-   11.92      38.6 +/-   11.92  0.120 / 0.400
G18     256.9          50.3               14.8 +/-   39.35      18.7 +/-   39.35  0.090 / 0.300
G20     35.9           56.9               14.6 +/-    8.34      17.0 +/-    8.34  0.220 / 0.200
G21     325.1          55.4               14.2 +/-    7.94      16.8 +/-    7.94  0.120 / 0.280
G26     281.4          17.8               14.8 +/-   17.70      34.3 +/-   17.70  0.050 / 0.130
G29     159.1          55.3               17.0 +/-   38.72      20.2 +/-   38.72  0.050 / 0.120