PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/24-14:42:30
G02     43.8           46.3                4.6 +/-    0.76       6.1 +/-    0.76  0.060 / 0.040
G05     114.2          70.7                7.5 +/-    1.20       7.9 +/-    1.20  0.030 / 0.050
G12     187.4          50.8                9.6 +/-    2.29      12.1 +/-    2.29  0.090 / 0.060
G25     262.6          59.9               10.0 +/-    0.84      11.4 +/-    0.84  0.070 / 0.080
G29     317.1          39.1                6.8 +/-    0.97      10.0 +/-    0.97  0.040 / 0.030