PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/07-19:13:00
G02     201.9          29.5               14.5 +/-    1.07      25.6 +/-    1.07  0.050 / 0.110
G06     166.2          63.1               13.9 +/-    0.57      15.4 +/-    0.57  0.070 / 0.100
G17     30.1           53.7               10.8 +/-    0.94      13.1 +/-    0.94  0.150 / 0.140
G19     352.0          67.7               10.0 +/-    0.70      10.8 +/-    0.70  0.090 / 0.140
G24     302.4          35.5               11.6 +/-    1.16      18.2 +/-    1.16  0.070 / 0.090
G28     94.4           38.7               13.5 +/-    0.78      20.0 +/-    0.78  0.080 / 0.110