PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/26-22:43:00
G10     271.3          40.8                5.2 +/-    1.65       7.4 +/-    1.65  0.130 / 0.180
G13     40.2           15.1                6.3 +/-    3.68      15.6 +/-    3.68  0.250 / 0.240
G15     57.8           49.3                5.7 +/-    0.62       7.2 +/-    0.62  0.040 / 0.030
G16     273.6          11.0                5.5 +/-    3.01      15.1 +/-    3.01  0.040 / 0.040
G20     270.1          29.5                3.5 +/-    0.70       6.3 +/-    0.70  0.100 / 0.230
G21     9.4            73.7                5.9 +/-    0.33       6.1 +/-    0.33  0.110 / 0.360
G24     115.3          16.6                7.1 +/-    1.08      17.0 +/-    1.08  0.120 / 0.180
G27     316.9          21.5                6.2 +/-    3.23      13.2 +/-    3.23  0.100 / 0.220
G29     168.7          28.3                6.6 +/-    1.68      11.9 +/-    1.68  0.260 / 0.390
G32     204.4          14.3                7.4 +/-    2.62      18.8 +/-    2.62  0.130 / 0.320