PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/06-00:58:00
G08     296.0          23.2               11.5 +/-    0.82      23.3 +/-    0.82  0.030 / 0.020
G10     356.0          62.6                9.2 +/-    0.46      10.3 +/-    0.46  0.040 / 0.020
G14     226.7          44.4               13.4 +/-    2.43      18.2 +/-    2.43  0.060 / 0.110
G18     57.1           53.8               11.2 +/-    0.64      13.5 +/-    0.64  0.050 / 0.120
G21     143.6          43.6               12.7 +/-    0.85      17.5 +/-    0.85  0.040 / 0.060
G24     61.4           28.3               10.5 +/-    1.62      19.1 +/-    1.62  0.040 / 0.070
G27     257.2          33.5               14.2 +/-    1.91      23.2 +/-    1.91  0.120 / 0.110
G32     237.7          61.8               11.6 +/-    1.16      13.0 +/-    1.16  0.080 / 0.090