PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/10-00:57:30
G08     288.2          23.5                8.8 +/-    1.11      17.9 +/-    1.11  0.030 / 0.020
G10     12.5           63.3               10.2 +/-    0.49      11.2 +/-    0.49  0.020 / 0.020
G14     233.6          51.0               10.4 +/-    2.55      12.9 +/-    2.55  0.040 / 0.090
G18     67.1           49.8               10.0 +/-    0.88      12.6 +/-    0.88  0.050 / 0.100
G21     147.4          36.0               10.0 +/-    0.91      15.6 +/-    0.91  0.150 / 0.220
G24     54.4           25.2               10.2 +/-    3.17      19.8 +/-    3.17  0.200 / 0.130
G27     249.2          29.6               10.2 +/-    1.72      18.1 +/-    1.72  0.130 / 0.120
G32     250.9          67.8                9.5 +/-    0.71      10.1 +/-    0.71  0.120 / 0.120