PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/25-01:57:50
G08     264.1          17.7               12.5 +/-    2.03      29.1 +/-    2.03  0.240 / 0.290
G10     64.2           57.6                9.4 +/-    0.81      10.9 +/-    0.81  0.260 / 0.410
G11     309.8          18.8                7.4 +/-    1.55      16.7 +/-    1.55  0.160 / 0.340
G14     269.0          66.4                9.6 +/-    1.27      10.4 +/-    1.27  0.090 / 0.250
G18     311.5          33.3                7.4 +/-    0.73      12.1 +/-    0.73  0.040 / 0.040
G20     55.5           67.7               13.8 +/-    0.95      14.8 +/-    0.95  0.040 / 0.050
G21     155.3          15.0               11.8 +/-    3.11      29.4 +/-    3.11  0.110 / 0.270
G27     230.9          15.0               14.3 +/-    2.27      35.6 +/-    2.27  0.130 / 0.280
G31     176.3          33.7               13.7 +/-    2.08      22.2 +/-    2.08  0.150 / 0.180
G32     350.7          72.8                9.2 +/-    0.74       9.5 +/-    0.74  0.120 / 0.220