PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/24-14:42:40
G02     260.6          77.3                8.0 +/-    0.51       8.2 +/-    0.51  0.110 / 0.270
G05     171.5          20.5               10.2 +/-    1.49      22.3 +/-    1.49  0.110 / 0.220
G06     40.0           50.2                6.1 +/-    0.66       7.7 +/-    0.66  0.030 / 0.050
G12     321.1          62.5                6.5 +/-    1.12       7.2 +/-    1.12  0.030 / 0.040
G17     77.6           16.6                6.2 +/-    1.01      14.8 +/-    1.01  0.090 / 0.160
G19     61.0           37.8                6.8 +/-    0.73      10.3 +/-    0.73  0.070 / 0.160
G24     235.0          29.9                9.8 +/-    0.74      17.2 +/-    0.74  0.040 / 0.040
G25     317.5          20.9                5.3 +/-    2.16      11.3 +/-    2.16  0.060 / 0.050