PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/15-02:43:10
G01     303.2          35.6               10.7 +/-    1.32      16.8 +/-    1.32  0.030 / 0.030
G10     109.8          38.1               10.4 +/-    0.93      15.6 +/-    0.93  0.030 / 0.030
G11     275.5          29.2               11.1 +/-    2.52      19.8 +/-    2.52  0.050 / 0.050
G14     8.8            64.2                9.6 +/-    0.60      10.5 +/-    0.60  0.040 / 0.050
G18     119.6          11.8                8.8 +/-    2.75      23.5 +/-    2.75  0.060 / 0.090
G22     310.8          28.6                8.7 +/-    1.23      15.7 +/-    1.23  0.060 / 0.090
G25     75.0           17.0                7.5 +/-    1.60      17.8 +/-    1.60  0.070 / 0.110
G31     167.2          67.8               12.5 +/-    0.44      13.3 +/-    0.44  0.080 / 0.100
G32     37.4           51.8                8.3 +/-    0.73      10.2 +/-    0.73  0.040 / 0.050