PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/15-02:58:10
G01     295.8          38.8                9.2 +/-    3.37      13.7 +/-    3.37  0.020 / 0.020
G03     310.0          11.7               -5.2 +/-   32.58     -14.1 +/-   32.58  0.020 / 0.020
G10     116.1          32.9               10.3 +/-    1.13      17.0 +/-    1.13  0.050 / 0.080
G11     267.8          28.1               10.3 +/-    2.24      18.8 +/-    2.24  0.050 / 0.090
G14     20.4           60.2                9.6 +/-    1.33      10.8 +/-    1.33  0.050 / 0.070
G22     312.7          34.3                7.7 +/-    1.18      12.4 +/-    1.18  0.060 / 0.080
G25     68.1           17.8                7.6 +/-    1.09      17.8 +/-    1.09  0.050 / 0.080
G31     155.9          75.0               12.5 +/-    0.38      12.9 +/-    0.38  0.060 / 0.080
G32     44.6           47.1                8.6 +/-    1.21      11.2 +/-    1.21  0.050 / 0.050