PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/10-22:28:00
G10     261.4          36.1               10.1 +/-    1.31      15.7 +/-    1.31  0.120 / 0.330
G13     44.5           21.4                7.5 +/-    2.13      16.0 +/-    2.13  0.120 / 0.240
G15     66.2           52.8                8.9 +/-    0.96      10.8 +/-    0.96  0.040 / 0.050
G16     284.6          14.1                7.6 +/-    2.07      19.4 +/-    2.07  0.050 / 0.040
G20     287.7          57.5                8.5 +/-    1.86       9.9 +/-    1.86  0.080 / 0.240
G21     349.6          67.4                8.5 +/-    0.56       9.1 +/-    0.56  0.150 / 0.270
G24     126.2          10.8                7.3 +/-   14.01      20.1 +/-   14.01  0.030 / 0.040
G27     321.1          13.8                6.3 +/-    1.75      16.2 +/-    1.75  0.030 / 0.050
G29     166.1          37.3                9.0 +/-    1.07      13.7 +/-    1.07  0.150 / 0.370