PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/11-03:13:00
G08     282.2          23.0               11.3 +/-    1.04      23.2 +/-    1.04  0.060 / 0.130
G10     24.9           63.1                7.6 +/-    0.77       8.4 +/-    0.77  0.060 / 0.150
G14     240.1          56.0               10.6 +/-    1.27      12.5 +/-    1.27  0.030 / 0.040
G18     73.1           47.4                8.0 +/-    0.61      10.4 +/-    0.61  0.040 / 0.030
G21     149.9          31.3               10.5 +/-    0.95      18.0 +/-    0.95  0.100 / 0.130
G24     49.8           22.3                7.6 +/-    1.52      15.8 +/-    1.52  0.100 / 0.160
G27     243.8          26.3               12.9 +/-    2.42      24.4 +/-    2.42  0.060 / 0.130
G31     182.0          13.9               10.8 +/-    1.70      27.7 +/-    1.70  0.050 / 0.120
G32     267.5          72.7                9.7 +/-    0.62      10.1 +/-    0.62  0.040 / 0.080