PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/24-22:58:00
G02     254.4          78.8               12.0 +/-    0.40      12.2 +/-    0.40  0.040 / 0.050
G05     169.6          19.9               18.0 +/-    1.11      39.6 +/-    1.11  0.050 / 0.060
G06     40.2           54.1               10.9 +/-    0.75      13.2 +/-    0.75  0.110 / 0.120
G12     321.6          56.4               10.9 +/-    1.37      12.8 +/-    1.37  0.090 / 0.140
G17     72.6           22.6               10.2 +/-    1.50      21.0 +/-    1.50  0.070 / 0.190
G19     59.3           37.9               10.6 +/-    0.67      16.0 +/-    0.67  0.060 / 0.170
G24     241.3          32.8               15.1 +/-    1.49      24.9 +/-    1.49  0.030 / 0.030
G25     317.2          14.6               10.2 +/-    2.88      25.7 +/-    2.88  0.030 / 0.030