PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/06-22:28:10
G02     215.9          60.7               17.8 +/-    0.79      20.2 +/-    0.79  0.100 / 0.400
G06     62.2           76.9               16.0 +/-    0.88      16.3 +/-    0.88  0.110 / 0.390
G12     317.4          33.2               12.9 +/-    0.86      21.2 +/-    0.86  0.040 / 0.050
G17     57.0           32.1               13.1 +/-    0.46      21.9 +/-    0.46  0.040 / 0.050
G19     39.3           48.9               14.0 +/-    0.39      18.0 +/-    0.39  0.070 / 0.070
G24     264.4          41.6               16.7 +/-    1.81      23.7 +/-    1.81  0.060 / 0.100
G28     121.1          17.9               19.1 +/-    2.40      44.3 +/-    2.40  0.050 / 0.080