PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/25-02:12:50
G01     319.8          15.8                5.1 +/-   17.72      12.4 +/-   17.72  0.200 / 0.250
G08     257.9          14.5               12.1 +/-    1.93      30.6 +/-    1.93  0.190 / 0.280
G10     75.8           54.4                9.7 +/-    0.35      11.7 +/-    0.35  0.030 / 0.050
G11     304.5          22.5                8.9 +/-    2.45      18.4 +/-    2.45  0.040 / 0.050
G14     286.8          69.4                9.4 +/-    0.55      10.0 +/-    0.55  0.070 / 0.180
G18     306.7          38.7                8.5 +/-    1.82      12.6 +/-    1.82  0.080 / 0.150
G20     72.6           65.2               13.8 +/-    0.91      15.1 +/-    0.91  0.130 / 0.260
G31     174.6          41.0               11.7 +/-    1.40      16.8 +/-    1.40  0.130 / 0.310
G32     6.9            68.2                8.7 +/-    0.26       9.3 +/-    0.26  0.080 / 0.070