PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/09-03:58:00
G08     265.2          18.1                8.2 +/-    0.82      19.0 +/-    0.82  0.020 / 0.020
G10     60.2           59.1                4.8 +/-    1.00       5.5 +/-    1.00  0.030 / 0.020
G11     309.8          19.4                6.8 +/-    1.08      15.1 +/-    1.08  0.210 / 0.230
G14     270.8          67.9                5.8 +/-    0.84       6.3 +/-    0.84  0.200 / 0.210
G18     91.3           37.4                5.8 +/-    0.76       8.7 +/-    0.76  0.020 / 0.030
G21     154.2          14.9                6.0 +/-    2.26      15.0 +/-    2.26  0.030 / 0.030
G24     40.2           11.2                6.2 +/-    2.71      16.8 +/-    2.71  0.150 / 0.410
G27     230.2          15.2                8.4 +/-    2.59      20.7 +/-    2.59  0.160 / 0.380
G31     178.5          30.3                6.7 +/-    1.79      11.7 +/-    1.79  0.040 / 0.040
G32     334.8          74.1                5.3 +/-    0.49       5.5 +/-    0.49  0.030 / 0.050