PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/03-16:43:00
G02     36.5           52.9               12.7 +/-    0.60      15.5 +/-    0.60  0.030 / 0.040
G05     140.8          64.0               15.4 +/-    0.76      16.9 +/-    0.76  0.060 / 0.040
G06     55.6           14.5               10.5 +/-    1.17      26.3 +/-    1.17  0.040 / 0.050
G12     197.0          64.1               14.5 +/-    1.11      15.9 +/-    1.11  0.050 / 0.050
G20     198.9          30.0               13.4 +/-    3.38      23.4 +/-    3.38  0.030 / 0.040
G25     287.7          57.4               14.0 +/-    0.66      16.3 +/-    0.66  0.030 / 0.030
G29     312.3          34.9               12.1 +/-    1.27      19.3 +/-    1.27  0.100 / 0.240