PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/09-03:57:50
G08     265.2          18.1                8.3 +/-    0.91      19.2 +/-    0.91  0.190 / 0.350
G10     60.2           59.1                4.9 +/-    0.53       5.7 +/-    0.53  0.200 / 0.450
G11     309.8          19.4                8.2 +/-    1.45      18.4 +/-    1.45  0.130 / 0.210
G14     270.8          67.9                5.5 +/-    0.52       5.9 +/-    0.52  0.120 / 0.350
G18     91.3           37.4                5.6 +/-    0.83       8.5 +/-    0.83  0.030 / 0.040
G21     154.2          14.9                5.9 +/-    2.54      14.8 +/-    2.54  0.030 / 0.030
G24     40.2           11.2                5.6 +/-    1.95      15.1 +/-    1.95  0.040 / 0.050
G27     230.2          15.2                7.7 +/-    1.71      19.0 +/-    1.71  0.040 / 0.060
G31     178.5          30.3                8.1 +/-    1.68      14.1 +/-    1.68  0.120 / 0.200
G32     334.8          74.1                5.8 +/-    0.74       6.0 +/-    0.74  0.110 / 0.190