PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/27-21:43:10
G01     302.2          36.1               10.5 +/-    2.17      16.4 +/-    2.17  0.090 / 0.120
G10     111.1          36.9               10.3 +/-    1.35      15.7 +/-    1.35  0.060 / 0.120
G11     276.2          28.3                9.9 +/-    1.24      18.1 +/-    1.24  0.100 / 0.090
G14     8.8            64.0                9.3 +/-    0.38      10.2 +/-    0.38  0.080 / 0.100
G18     120.7          9.3                12.2 +/-    3.69      34.4 +/-    3.69  0.020 / 0.030
G22     311.1          29.2                8.2 +/-    1.17      14.6 +/-    1.17  0.030 / 0.020
G25     76.3           17.7               10.5 +/-    2.24      24.4 +/-    2.24  0.080 / 0.120
G31     167.3          68.7               10.9 +/-    0.45      11.6 +/-    0.45  0.080 / 0.130
G32     40.0           50.0                8.5 +/-    1.75      10.7 +/-    1.75  0.030 / 0.040