PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/01-22:58:10
G10     258.7          34.3               14.2 +/-    1.40      22.8 +/-    1.40  0.150 / 0.320
G13     46.1           23.3                8.2 +/-    0.60      16.8 +/-    0.60  0.180 / 0.360
G15     69.9           54.2               12.3 +/-    0.52      14.8 +/-    0.52  0.070 / 0.110
G16     287.4          14.6                8.8 +/-    1.69      22.0 +/-    1.69  0.100 / 0.120
G20     283.0          55.9               14.3 +/-    0.85      16.9 +/-    0.85  0.110 / 0.330
G21     345.4          65.6                9.0 +/-    1.22       9.8 +/-    1.22  0.120 / 0.410
G26     260.4          11.8               11.9 +/-    2.84      31.8 +/-    2.84  0.040 / 0.060
G27     321.9          11.5               -1.9 +/-   32.08      -5.2 +/-   32.08  0.040 / 0.060
G29     165.5          40.0               16.7 +/-    0.86      24.3 +/-    0.86  0.070 / 0.200