PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/03-19:27:10
G02     201.8          28.9               14.1 +/-    2.03      25.3 +/-    2.03  0.040 / 0.040
G06     167.0          62.3               14.8 +/-    0.98      16.5 +/-    0.98  0.040 / 0.050
G17     29.7           54.0               11.0 +/-    0.59      13.3 +/-    0.59  0.060 / 0.110
G19     350.3          68.1               10.4 +/-    0.64      11.1 +/-    0.64  0.060 / 0.110
G24     302.9          35.2               11.2 +/-    1.07      17.6 +/-    1.07  0.040 / 0.100
G28     93.8           39.1               10.9 +/-    0.38      16.1 +/-    0.38  0.040 / 0.100