PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/19-23:12:50
G10     272.0          41.1                9.6 +/-    1.12      13.7 +/-    1.12  0.090 / 0.160
G13     40.0           14.6                7.7 +/-    2.73      19.3 +/-    2.73  0.090 / 0.130
G15     57.0           48.6                7.9 +/-    0.55      10.2 +/-    0.55  0.040 / 0.050
G16     273.1          10.7                7.9 +/-    3.42      21.7 +/-    3.42  0.040 / 0.050
G20     272.6          33.5                5.0 +/-    1.42       8.2 +/-    1.42  0.100 / 0.670
G21     11.3           74.1                9.9 +/-    0.81      10.3 +/-    0.81  0.130 / 0.570
G24     114.9          16.9                9.9 +/-    1.85      23.4 +/-    1.85  0.100 / 0.230
G27     316.6          22.0                5.7 +/-    2.23      11.8 +/-    2.23  0.110 / 0.320
G29     168.8          27.7               12.1 +/-    0.94      22.2 +/-    0.94  0.110 / 0.400
G32     204.5          14.8               14.1 +/-    2.55      35.3 +/-    2.55  0.110 / 0.350