PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/11-15:12:30
G02     206.4          39.4               10.7 +/-    2.10      15.7 +/-    2.10  0.050 / 0.130
G06     140.2          75.8               10.5 +/-    0.44      10.8 +/-    0.44  0.060 / 0.120
G12     310.4          20.1                9.0 +/-    1.64      19.7 +/-    1.64  0.120 / 0.300
G17     38.3           47.6                7.7 +/-    0.28      10.0 +/-    0.28  0.150 / 0.280
G19     17.1           60.0                9.5 +/-    1.19      10.8 +/-    1.19  0.050 / 0.080
G24     290.3          40.1                8.5 +/-    0.89      12.3 +/-    0.89  0.050 / 0.090
G28     105.8          32.2                8.1 +/-    0.85      13.5 +/-    0.85  0.060 / 0.090