PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/10-21:12:50
G02     202.3          32.5               15.7 +/-    1.59      26.2 +/-    1.59  0.060 / 0.110
G06     166.2          64.9               12.0 +/-    0.98      13.1 +/-    0.98  0.060 / 0.100
G12     304.9          11.2                0.7 +/-   24.85       2.0 +/-   24.85  0.080 / 0.100
G17     33.6           50.9               12.1 +/-    1.73      15.0 +/-    1.73  0.110 / 0.090
G19     356.9          66.5               10.5 +/-    1.22      11.3 +/-    1.22  0.120 / 0.220
G24     299.6          37.3               10.3 +/-    2.61      15.7 +/-    2.61  0.190 / 0.210
G28     97.3           36.8               12.4 +/-    1.29      19.0 +/-    1.29  0.030 / 0.030