PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/13-02:12:30
G08     306.1          20.7                6.0 +/-    1.46      13.0 +/-    1.46  0.030 / 0.040
G10     334.2          60.2                8.4 +/-    0.68       9.6 +/-    0.68  0.030 / 0.040
G14     219.4          34.7               11.6 +/-    1.62      18.6 +/-    1.62  0.060 / 0.100
G15     47.1           10.7                5.9 +/-    0.78      16.1 +/-    0.78  0.070 / 0.110
G18     40.2           59.2                9.3 +/-    0.69      10.6 +/-    0.69  0.060 / 0.090
G24     73.0           30.5                7.8 +/-    0.46      13.6 +/-    0.46  0.060 / 0.070
G27     270.0          37.1               10.1 +/-    1.30      15.3 +/-    1.30  0.050 / 0.120
G32     225.5          53.0               10.6 +/-    0.61      12.9 +/-    0.61  0.070 / 0.120