PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/24-23:12:30
G02     295.2          81.6               10.8 +/-    0.98      10.9 +/-    0.98  0.030 / 0.040
G05     166.9          26.1               16.6 +/-    1.81      31.7 +/-    1.81  0.030 / 0.030
G06     40.3           47.4                8.8 +/-    0.96      11.5 +/-    0.96  0.190 / 0.260
G12     319.5          63.4               11.7 +/-    0.54      12.9 +/-    0.54  0.170 / 0.210
G17     78.2           18.6               10.0 +/-    1.45      22.8 +/-    1.45  0.080 / 0.120
G19     66.1           33.8               11.3 +/-    2.50      18.4 +/-    2.50  0.080 / 0.110
G24     235.0          28.4               15.6 +/-    1.07      28.2 +/-    1.07  0.040 / 0.040
G25     317.8          20.6               10.4 +/-    2.68      22.5 +/-    2.68  0.050 / 0.050