PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/09-21:28:10
G02     57.4           35.6               11.9 +/-    0.77      18.6 +/-    0.77  0.040 / 0.080
G05     64.1           65.9               13.6 +/-    0.50      14.8 +/-    0.50  0.040 / 0.050
G12     184.8          32.7               17.1 +/-    1.94      28.4 +/-    1.94  0.120 / 0.490
G13     130.4          14.5               16.9 +/-    3.78      42.5 +/-    3.78  0.130 / 0.500
G15     165.7          10.3               -5.7 +/-   32.15     -15.9 +/-   32.15  0.030 / 0.060
G20     206.3          60.5               17.4 +/-    0.80      19.7 +/-    0.80  0.040 / 0.060
G21     270.3          16.9               15.9 +/-    2.35      37.8 +/-    2.35  0.130 / 0.100
G25     229.8          51.4               15.7 +/-    1.88      19.5 +/-    1.88  0.050 / 0.110
G29     329.4          55.9               12.9 +/-    0.72      15.3 +/-    0.72  0.040 / 0.040