PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/26-19:12:50
G02     80.1           16.4               13.4 +/-    2.13      32.1 +/-    2.13  0.110 / 0.160
G05     44.5           40.7               12.7 +/-    0.67      18.3 +/-    0.67  0.220 / 0.170
G13     106.2          31.5               16.2 +/-    1.19      27.5 +/-    1.19  0.090 / 0.120
G15     148.3          33.8               15.9 +/-    1.22      25.8 +/-    1.22  0.110 / 0.130
G18     228.5          23.6               16.3 +/-    1.40      32.9 +/-    1.40  0.200 / 0.380
G20     292.3          85.8               15.0 +/-    0.59      15.1 +/-    0.59  0.080 / 0.290
G21     293.4          34.3               14.1 +/-    1.52      22.7 +/-    1.52  0.060 / 0.070
G25     209.3          28.4               17.4 +/-    1.65      31.5 +/-    1.65  0.060 / 0.060
G26     312.8          14.4               10.4 +/-    2.37      26.2 +/-    2.37  0.030 / 0.030
G29     25.0           84.3               15.5 +/-    0.74      15.6 +/-    0.74  0.030 / 0.030