PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/25-00:12:40
G02     200.9          27.2               11.6 +/-    1.45      21.6 +/-    1.45  0.070 / 0.090
G06     173.4          56.8               11.7 +/-    0.63      13.7 +/-    0.63  0.070 / 0.080
G17     29.8           54.0                9.3 +/-    0.75      11.3 +/-    0.75  0.070 / 0.090
G19     340.2          69.4                9.4 +/-    1.10      10.0 +/-    1.10  0.070 / 0.070
G24     304.2          34.9               10.1 +/-    1.90      16.0 +/-    1.90  0.040 / 0.030
G28     91.8           39.5               10.0 +/-    1.02      14.7 +/-    1.02  0.040 / 0.030