PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/06-21:28:00
G05     48.5           20.6               15.5 +/-    1.74      33.7 +/-    1.74  0.190 / 0.240
G10     237.0          12.3               23.0 +/-    5.20      61.0 +/-    5.20  0.220 / 0.210
G13     76.3           37.5               19.5 +/-    1.02      29.5 +/-    1.02  0.070 / 0.050
G15     123.6          52.7               21.3 +/-    0.57      26.0 +/-    0.57  0.070 / 0.060
G16     315.7          11.0               12.9 +/-   20.82      35.3 +/-   20.82  0.100 / 0.190
G18     246.5          42.8               20.6 +/-    1.85      28.7 +/-    1.85  0.100 / 0.160
G20     29.6           64.8               17.7 +/-    0.35      19.3 +/-    0.35  0.040 / 0.040
G21     314.6          48.5               18.0 +/-    0.88      23.2 +/-    0.88  0.030 / 0.040
G26     289.5          19.4               17.7 +/-    1.05      39.5 +/-    1.05  0.360 / 0.130
G29     154.7          67.2               19.1 +/-    0.41      20.5 +/-    0.41  0.070 / 0.140