PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/09-23:43:10
G08     318.4          13.3               10.3 +/-    1.70      26.7 +/-    1.70  0.040 / 0.040
G10     307.0          54.4               10.8 +/-    0.82      13.0 +/-    0.82  0.040 / 0.030
G14     212.2          19.9               13.5 +/-    2.51      29.8 +/-    2.51  0.030 / 0.030
G15     45.5           22.8                9.5 +/-    1.97      19.6 +/-    1.97  0.030 / 0.030
G18     12.8           64.5               10.5 +/-    0.75      11.5 +/-    0.75  0.100 / 0.130
G20     76.7           13.0               10.0 +/-    1.87      26.0 +/-    1.87  0.100 / 0.090
G21     115.4          68.0               12.7 +/-    0.57      13.6 +/-    0.57  0.100 / 0.260
G24     91.3           28.9               12.6 +/-    1.69      22.6 +/-    1.69  0.120 / 0.280
G27     290.4          37.3               10.1 +/-    4.03      15.3 +/-    4.03  0.040 / 0.080
G32     214.6          36.6               10.8 +/-    1.42      16.6 +/-    1.42  0.060 / 0.100