PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/05-21:43:00
G05     50.2           16.7               14.2 +/-    1.07      33.9 +/-    1.07  0.180 / 0.220
G10     240.2          16.0               27.4 +/-    2.72      66.6 +/-    2.72  0.200 / 0.380
G13     70.0           36.8               19.8 +/-    0.80      30.4 +/-    0.80  0.100 / 0.190
G15     115.4          55.4               21.0 +/-    0.56      24.9 +/-    0.56  0.080 / 0.190
G16     311.4          12.5               17.5 +/-    1.94      46.2 +/-    1.94  0.060 / 0.050
G18     251.5          46.5               22.4 +/-    4.54      29.6 +/-    4.54  0.060 / 0.050
G20     33.5           60.1               19.9 +/-    0.78      22.5 +/-    0.78  0.070 / 0.170
G21     319.4          51.7               18.4 +/-    0.81      22.7 +/-    0.81  0.120 / 0.170
G26     284.4          18.9               21.3 +/-    1.27      48.2 +/-    1.27  0.050 / 0.040
G29     157.9          61.6               19.6 +/-    0.39      22.0 +/-    0.39  0.050 / 0.040