PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/29-01:12:40
G02     53.1           37.9               10.2 +/-    1.76      15.3 +/-    1.76  0.040 / 0.050
G05     72.3           66.1               11.8 +/-    0.36      12.8 +/-    0.36  0.050 / 0.080
G12     185.8          41.0               14.2 +/-    1.15      20.4 +/-    1.15  0.150 / 0.260
G21     264.5          11.6                7.8 +/-   25.20      21.1 +/-   25.20  0.240 / 0.290
G25     252.3          56.5               11.2 +/-    1.54      13.1 +/-    1.54  0.040 / 0.040
G29     322.3          45.9               13.0 +/-    0.65      17.3 +/-    0.65  0.030 / 0.030