PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/25-02:12:30
G01     298.5          37.8                8.2 +/-    1.04      12.3 +/-    1.04  0.060 / 0.120
G10     114.0          34.7                8.4 +/-    0.60      13.4 +/-    0.60  0.060 / 0.110
G11     270.6          28.5                9.6 +/-    1.09      17.3 +/-    1.09  0.060 / 0.070
G14     16.5           61.6                6.2 +/-    0.48       7.0 +/-    0.48  0.060 / 0.100
G22     312.1          32.1                7.5 +/-    1.47      12.6 +/-    1.47  0.040 / 0.050
G25     70.8           17.7                6.6 +/-    1.26      15.4 +/-    1.26  0.030 / 0.050
G31     162.5          72.3                7.1 +/-    1.10       7.4 +/-    1.10  0.040 / 0.060
G32     41.8           49.0                5.3 +/-    0.93       6.8 +/-    0.93  0.040 / 0.050