PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/13-02:28:00
G01     312.3          28.5                7.3 +/-    1.38      13.2 +/-    1.38  0.050 / 0.040
G10     97.7           45.9               10.3 +/-    0.69      13.7 +/-    0.69  0.040 / 0.030
G11     288.0          28.8                8.8 +/-    1.92      15.7 +/-    1.92  0.100 / 0.110
G14     344.0          69.4                8.9 +/-    0.44       9.4 +/-    0.44  0.070 / 0.120
G18     112.2          20.0               10.3 +/-    1.95      22.7 +/-    1.95  0.030 / 0.030
G22     306.6          20.0                9.3 +/-    1.38      20.4 +/-    1.38  0.020 / 0.030
G25     85.8           14.0               10.1 +/-    2.11      25.8 +/-    2.11  0.100 / 0.170
G31     174.2          55.5               12.6 +/-    0.80      15.0 +/-    0.80  0.110 / 0.190
G32     24.1           59.5                7.5 +/-    0.97       8.6 +/-    0.97  0.110 / 0.210