PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/04-02:58:10
G01     313.9          26.6                6.3 +/-    2.35      12.0 +/-    2.35  0.080 / 0.140
G10     94.4           47.6                7.5 +/-    0.65       9.7 +/-    0.65  0.080 / 0.160
G11     290.7          28.4                5.9 +/-    2.11      10.7 +/-    2.11  0.100 / 0.180
G14     336.9          70.3                7.1 +/-    0.69       7.5 +/-    0.69  0.100 / 0.170
G18     110.2          22.1                6.6 +/-    2.08      13.8 +/-    2.08  0.030 / 0.030
G22     305.5          18.2                7.1 +/-    1.43      16.3 +/-    1.43  0.030 / 0.030
G25     87.9           13.0                8.2 +/-    1.16      21.4 +/-    1.16  0.110 / 0.270
G31     174.6          52.9                9.1 +/-    0.81      11.1 +/-    0.81  0.110 / 0.270
G32     21.0           61.1                6.1 +/-    0.61       6.9 +/-    0.61  0.040 / 0.050