PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/07/29-04:43:10
G08     264.8          17.9                5.0 +/-    1.15      11.6 +/-    1.15  0.030 / 0.020
G10     61.0           58.9                4.0 +/-    1.16       4.6 +/-    1.16  0.030 / 0.020
G11     309.3          19.8                3.4 +/-    1.47       7.4 +/-    1.47  0.260 / 0.220
G14     271.9          68.1                4.9 +/-    0.88       5.3 +/-    0.88  0.170 / 0.210
G18     91.5           37.4                4.0 +/-    0.89       6.1 +/-    0.89  0.030 / 0.020
G21     154.4          14.7                5.6 +/-    2.20      14.0 +/-    2.20  0.030 / 0.030
G24     40.0           10.9                4.8 +/-    3.05      13.3 +/-    3.05  0.180 / 0.370
G27     229.9          14.9                5.9 +/-    2.36      14.7 +/-    2.36  0.180 / 0.440
G31     178.1          31.1                5.6 +/-    0.97       9.6 +/-    0.97  0.120 / 0.310
G32     337.9          73.9                5.1 +/-    0.44       5.3 +/-    0.44  0.240 / 0.320