PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/10-00:42:50
G02     34.8           53.6               11.2 +/-    1.06      13.6 +/-    1.06  0.030 / 0.030
G05     133.7          63.6               12.9 +/-    0.68      14.2 +/-    0.68  0.020 / 0.030
G06     53.5           16.5                9.6 +/-    1.36      23.0 +/-    1.36  0.040 / 0.050
G12     202.7          68.5               11.5 +/-    0.50      12.2 +/-    0.50  0.060 / 0.050
G25     294.5          54.6                9.2 +/-    1.43      11.0 +/-    1.43  0.040 / 0.040
G29     309.9          31.9               11.0 +/-    1.54      18.5 +/-    1.54  0.030 / 0.030