PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/06-16:12:30
G02     216.8          58.1                7.6 +/-    1.16       8.7 +/-    1.16  0.090 / 0.250
G06     57.0           73.7                7.5 +/-    0.52       7.7 +/-    0.52  0.090 / 0.220
G12     317.9          35.3                6.7 +/-    1.52      10.6 +/-    1.52  0.060 / 0.070
G17     54.6           35.4                7.8 +/-    1.19      12.2 +/-    1.19  0.080 / 0.080
G19     40.7           47.8                7.7 +/-    1.26      10.0 +/-    1.26  0.050 / 0.070
G24     266.0          41.1                8.5 +/-    0.82      12.1 +/-    0.82  0.080 / 0.070
G28     120.8          19.3                8.2 +/-    1.18      18.3 +/-    1.18  0.040 / 0.040