PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/13-03:42:50
G08     264.7          17.8                9.4 +/-    1.52      21.8 +/-    1.52  0.020 / 0.020
G10     61.4           58.9                6.7 +/-    1.18       7.7 +/-    1.18  0.030 / 0.030
G11     309.4          19.7                6.4 +/-    1.62      14.2 +/-    1.62  0.170 / 0.410
G14     272.3          68.2                9.1 +/-    0.71       9.7 +/-    0.71  0.140 / 0.270
G18     91.9           36.9                7.4 +/-    1.16      11.3 +/-    1.16  0.210 / 0.220
G21     154.3          14.2                8.7 +/-    1.85      22.0 +/-    1.85  0.100 / 0.180
G24     39.9           10.8                5.8 +/-    2.61      16.0 +/-    2.61  0.030 / 0.030
G27     229.7          14.8               10.3 +/-    2.28      25.7 +/-    2.28  0.030 / 0.030
G31     178.5          30.9               10.5 +/-    1.61      18.1 +/-    1.61  0.040 / 0.050
G32     336.4          73.9                8.4 +/-    0.55       8.7 +/-    0.55  0.040 / 0.040