PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/24-14:57:40
G02     216.5          56.6               10.0 +/-    0.80      11.7 +/-    0.80  0.070 / 0.070
G06     58.2           73.9                7.9 +/-    0.47       8.2 +/-    0.47  0.060 / 0.080
G12     317.8          35.3                7.2 +/-    1.36      11.3 +/-    1.36  0.080 / 0.060
G17     54.5           35.2                6.8 +/-    1.59      10.7 +/-    1.59  0.080 / 0.090
G19     40.2           48.1                6.9 +/-    1.24       8.9 +/-    1.24  0.050 / 0.060
G24     267.1          41.2               10.0 +/-    1.20      14.3 +/-    1.20  0.050 / 0.050
G28     120.3          20.0                6.8 +/-    1.94      15.0 +/-    1.94  0.040 / 0.050