PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/01/12-19:27:50
G01     272.0          41.0                9.6 +/-    1.13      13.7 +/-    1.13  0.050 / 0.050
G03     315.8          29.9               10.2 +/-    1.88      17.9 +/-    1.88  0.040 / 0.060
G10     129.3          18.1               11.7 +/-    1.37      27.0 +/-    1.37  0.060 / 0.080
G11     252.8          20.9               12.1 +/-    3.73      26.0 +/-    3.73  0.050 / 0.100
G14     41.9           50.9                8.6 +/-    0.35      10.8 +/-    0.35  0.030 / 0.060
G22     314.2          51.1               10.0 +/-    1.55      12.5 +/-    1.55  0.030 / 0.030
G25     53.3           17.2                9.5 +/-    1.45      22.5 +/-    1.45  0.060 / 0.180
G26     149.1          24.1               13.1 +/-    2.02      26.2 +/-    2.02  0.080 / 0.180
G31     57.8           75.3               11.4 +/-    0.69      11.7 +/-    0.69  0.060 / 0.060
G32     63.5           33.0               10.2 +/-    1.10      16.8 +/-    1.10  0.070 / 0.090