PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/12/06-20:58:10
G01     305.8          34.0                8.5 +/-    1.92      13.7 +/-    1.92  0.080 / 0.150
G10     107.4          39.7                9.5 +/-    0.75      13.9 +/-    0.75  0.090 / 0.160
G11     280.7          28.3                7.3 +/-    0.69      13.3 +/-    0.69  0.030 / 0.030
G14     0.9            66.1                8.8 +/-    0.51       9.6 +/-    0.51  0.030 / 0.030
G18     118.5          12.0                9.9 +/-    2.08      26.6 +/-    2.08  0.080 / 0.180
G22     309.9          26.2                8.9 +/-    1.80      17.0 +/-    1.80  0.070 / 0.110
G25     80.3           17.0                9.4 +/-    3.52      22.3 +/-    3.52  0.030 / 0.030
G31     169.9          64.9               10.8 +/-    0.59      11.7 +/-    0.59  0.030 / 0.030
G32     36.4           52.4                8.9 +/-    1.11      10.9 +/-    1.11  0.080 / 0.100