PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/07/25-02:43:10
G10     298.5          51.7                8.4 +/-    1.38      10.4 +/-    1.38  0.040 / 0.050
G14     210.4          14.9               12.6 +/-    4.76      31.4 +/-    4.76  0.040 / 0.040
G15     46.2           29.7                6.1 +/-    1.07      10.8 +/-    1.07  0.080 / 0.080
G18     357.2          66.0                7.0 +/-    0.63       7.6 +/-    0.63  0.070 / 0.080
G20     73.0           15.7                5.3 +/-    1.47      13.0 +/-    1.47  0.070 / 0.110
G21     100.3          73.3                8.7 +/-    0.37       9.1 +/-    0.37  0.070 / 0.130
G24     97.4           27.1               10.7 +/-    1.08      20.0 +/-    1.08  0.060 / 0.040
G27     297.0          35.7                8.6 +/-    1.40      13.5 +/-    1.40  0.060 / 0.050
G32     211.6          32.9               10.6 +/-    1.70      17.6 +/-    1.70  0.300 / 0.710