PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/10-00:57:40
G08     288.2          23.5                8.4 +/-    1.15      16.9 +/-    1.15  0.050 / 0.100
G10     12.5           63.3                8.1 +/-    0.51       9.0 +/-    0.51  0.060 / 0.110
G14     233.6          51.0               10.2 +/-    1.33      12.7 +/-    1.33  0.040 / 0.130
G18     67.1           49.8               10.3 +/-    1.49      13.1 +/-    1.49  0.060 / 0.110
G21     147.4          36.0                9.9 +/-    0.95      15.5 +/-    0.95  0.030 / 0.040
G24     54.4           25.2                9.7 +/-    0.91      18.8 +/-    0.91  0.040 / 0.030
G27     249.2          29.6                9.5 +/-    1.30      16.8 +/-    1.30  0.090 / 0.120
G32     250.9          67.8                9.3 +/-    0.55       9.9 +/-    0.55  0.110 / 0.120