PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/08-01:42:50
G08     270.8          20.2               15.6 +/-    2.81      34.2 +/-    2.81  0.090 / 0.250
G10     49.2           61.0               18.1 +/-    0.57      20.4 +/-    0.57  0.100 / 0.240
G11     313.7          15.3               12.3 +/-    1.93      30.3 +/-    1.93  0.090 / 0.260
G14     258.0          64.4               14.7 +/-    1.14      16.1 +/-    1.14  0.110 / 0.280
G18     86.1           40.2               17.9 +/-    1.80      26.0 +/-    1.80  0.040 / 0.030
G21     153.0          19.5               17.0 +/-    2.69      37.9 +/-    2.69  0.040 / 0.030
G24     42.7           15.2                5.1 +/-    2.52      12.6 +/-    2.52  0.090 / 0.180
G27     234.4          19.0               21.3 +/-    1.11      48.0 +/-    1.11  0.080 / 0.180
G31     180.5          23.6               18.5 +/-    1.70      37.3 +/-    1.70  0.040 / 0.050
G32     307.5          75.2               19.6 +/-    0.85      20.2 +/-    0.85  0.040 / 0.050