PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/29-15:12:30
G02     43.5           46.5                7.8 +/-    0.95      10.3 +/-    0.95  0.040 / 0.030
G05     119.4          69.1               10.0 +/-    0.76      10.7 +/-    0.76  0.020 / 0.040
G06     59.5           10.4                8.1 +/-    2.91      22.5 +/-    2.91  0.060 / 0.100
G12     192.6          56.3               11.6 +/-    0.64      13.7 +/-    0.64  0.060 / 0.110
G20     200.7          36.8               10.9 +/-    0.92      16.7 +/-    0.92  0.040 / 0.050
G25     274.3          58.9               10.8 +/-    0.80      12.4 +/-    0.80  0.060 / 0.080
G29     318.5          42.0               10.1 +/-    1.18      14.3 +/-    1.18  0.120 / 0.300