PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/18-14:28:00
G02     26.9           59.9                6.6 +/-    0.77       7.5 +/-    0.77  0.040 / 0.050
G05     152.4          57.2                7.9 +/-    0.62       9.3 +/-    0.62  0.040 / 0.050
G06     52.1           17.9                4.4 +/-    0.66      10.2 +/-    0.66  0.030 / 0.040
G12     199.3          70.4                6.1 +/-    0.75       6.4 +/-    0.75  0.040 / 0.040
G19     96.0           14.7                7.5 +/-    1.98      18.8 +/-    1.98  0.060 / 0.100
G25     298.1          54.4                6.0 +/-    1.20       7.2 +/-    1.20  0.060 / 0.090
G29     304.9          25.4                7.0 +/-    1.36      13.5 +/-    1.36  0.030 / 0.040