PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/24-20:13:10
G02     24.9           61.6               10.2 +/-    0.87      11.4 +/-    0.87  0.030 / 0.050
G05     148.0          56.7               13.2 +/-    1.09      15.5 +/-    1.09  0.030 / 0.060
G06     51.2           18.8                8.6 +/-    0.99      19.4 +/-    0.99  0.030 / 0.040
G12     198.6          72.1               13.0 +/-    0.46      13.5 +/-    0.46  0.040 / 0.040
G19     94.1           15.9               11.0 +/-    1.10      26.9 +/-    1.10  0.040 / 0.070
G25     304.3          49.7               12.2 +/-    0.67      15.5 +/-    0.67  0.040 / 0.080
G29     302.5          22.5               10.0 +/-    2.05      20.7 +/-    2.05  0.040 / 0.050