PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/08-17:13:00
G10     258.8          33.4                7.1 +/-    1.24      11.6 +/-    1.24  0.040 / 0.040
G13     46.3           23.9                6.7 +/-    2.23      13.5 +/-    2.23  0.050 / 0.040
G15     73.1           56.2                7.8 +/-    0.71       9.1 +/-    0.71  0.120 / 0.310
G16     287.3          14.3                6.2 +/-    0.82      15.7 +/-    0.82  0.150 / 0.240
G20     283.3          56.3                7.4 +/-    2.41       8.7 +/-    2.41  0.080 / 0.120
G21     350.3          67.4                7.6 +/-    0.86       8.2 +/-    0.86  0.080 / 0.300
G24     123.4          10.0               -6.9 +/-   36.31     -19.1 +/-   36.31  0.030 / 0.030
G26     261.0          11.6                4.5 +/-   23.25      12.2 +/-   23.25  0.040 / 0.030
G27     322.1          10.8               -9.8 +/-   26.45     -26.8 +/-   26.45  0.230 / 0.330
G29     166.2          39.4                9.2 +/-    0.52      13.6 +/-    0.52  0.250 / 0.290