PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/02-18:43:00
G10     257.8          33.9               10.0 +/-    1.45      16.2 +/-    1.45  0.150 / 0.380
G13     46.7           23.8                9.0 +/-    0.66      18.0 +/-    0.66  0.150 / 0.260
G15     71.0           54.4               11.1 +/-    0.42      13.4 +/-    0.42  0.040 / 0.050
G16     287.3          15.1                7.4 +/-    1.84      18.3 +/-    1.84  0.040 / 0.060
G20     283.5          56.7               11.5 +/-    0.96      13.5 +/-    0.96  0.060 / 0.190
G21     344.2          65.0               10.1 +/-    0.82      11.0 +/-    0.82  0.080 / 0.210
G26     261.0          12.2                9.8 +/-    2.81      26.1 +/-    2.81  0.150 / 0.470
G27     322.0          11.1               -3.0 +/-   36.20      -8.1 +/-   36.20  0.160 / 0.430
G29     165.8          42.2               13.8 +/-    0.56      19.4 +/-    0.56  0.030 / 0.040