PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/08-00:57:30
G08     292.1          23.5               18.9 +/-    2.07      38.3 +/-    2.07  0.050 / 0.090
G10     4.1            63.1               23.8 +/-    1.48      26.4 +/-    1.48  0.040 / 0.080
G14     230.0          47.7               24.3 +/-    2.22      31.5 +/-    2.22  0.040 / 0.020
G18     62.2           51.9               24.7 +/-    1.72      30.5 +/-    1.72  0.050 / 0.030
G21     145.6          39.8               20.3 +/-    1.90      29.7 +/-    1.90  0.050 / 0.030
G24     57.8           26.9               21.8 +/-    1.52      40.7 +/-    1.52  0.040 / 0.020
G27     253.1          31.6               22.3 +/-    1.90      37.8 +/-    1.90  0.100 / 0.120
G32     243.7          64.9               20.7 +/-    0.82      22.6 +/-    0.82  0.120 / 0.110