PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/07-03:12:50
G08     264.4          17.3               11.3 +/-    3.59      26.6 +/-    3.59  0.220 / 0.160
G10     65.3           57.4                6.3 +/-    0.53       7.3 +/-    0.53  0.170 / 0.280
G11     309.7          18.9                6.8 +/-    1.90      15.3 +/-    1.90  0.040 / 0.070
G14     269.4          66.1                5.8 +/-    0.67       6.2 +/-    0.67  0.040 / 0.050
G18     311.2          33.6                7.4 +/-    1.97      12.1 +/-    1.97  0.040 / 0.040
G20     76.4           59.8                9.8 +/-    1.13      11.1 +/-    1.13  0.030 / 0.030
G21     155.4          14.3                7.2 +/-    3.08      18.2 +/-    3.08  0.180 / 0.530
G27     230.4          14.5                9.3 +/-    2.85      23.4 +/-    2.85  0.150 / 0.380
G31     176.1          34.4                8.1 +/-    1.82      13.0 +/-    1.82  0.130 / 0.250
G32     352.5          72.4                6.9 +/-    0.49       7.3 +/-    0.49  0.140 / 0.240