PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/09-02:28:10
G08     306.3          20.7                6.8 +/-    3.31      14.6 +/-    3.31  0.080 / 0.090
G10     333.9          60.2                6.8 +/-    0.47       7.7 +/-    0.47  0.130 / 0.110
G14     219.3          34.5               11.4 +/-    1.62      18.3 +/-    1.62  0.060 / 0.060
G15     47.1           11.0                6.4 +/-    1.84      17.4 +/-    1.84  0.050 / 0.080
G18     39.8           59.3                7.4 +/-    0.38       8.5 +/-    0.38  0.030 / 0.020
G21     135.7          54.9                9.9 +/-    0.41      11.8 +/-    0.41  0.020 / 0.030
G24     73.2           30.5                7.3 +/-    0.72      12.6 +/-    0.72  0.030 / 0.040
G27     270.2          37.2                8.5 +/-    2.48      13.0 +/-    2.48  0.030 / 0.040
G32     225.4          53.0                9.5 +/-    1.97      11.6 +/-    1.97  0.170 / 0.150