PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/26-02:58:00
G01     320.4          12.9                7.1 +/-    2.03      18.5 +/-    2.03  0.030 / 0.030
G08     261.3          16.2               10.6 +/-    3.02      25.5 +/-    3.02  0.030 / 0.050
G10     68.2           57.3                5.9 +/-    0.59       6.9 +/-    0.59  0.210 / 0.540
G11     306.8          21.6                5.3 +/-    1.73      11.2 +/-    1.73  0.160 / 0.520
G14     282.4          69.8                7.8 +/-    0.76       8.2 +/-    0.76  0.120 / 0.320
G18     95.7           34.2                7.2 +/-    0.74      11.6 +/-    0.74  0.140 / 0.310
G21     154.7          10.4                8.5 +/-    4.48      23.5 +/-    4.48  0.050 / 0.050
G27     227.1          12.3               10.0 +/-    3.78      26.5 +/-    3.78  0.040 / 0.050
G31     178.2          34.3                9.8 +/-    1.07      15.8 +/-    1.07  0.120 / 0.390
G32     346.6          72.2                7.8 +/-    0.61       8.2 +/-    0.61  0.120 / 0.320