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                3.5 +/-   18.76       8.5 +/-   18.76  0.110 / 0.230
G08     257.9          14.5               12.6 +/-    1.56      31.8 +/-    1.56  0.210 / 0.280
G10     75.8           54.4               10.6 +/-    0.31      12.8 +/-    0.31  0.140 / 0.320
G11     304.5          22.5                7.3 +/-    2.76      15.0 +/-    2.76  0.130 / 0.260
G14     286.8          69.4                8.9 +/-    0.95       9.4 +/-    0.95  0.100 / 0.250
G18     306.7          38.7                8.7 +/-    1.25      12.9 +/-    1.25  0.080 / 0.260
G20     72.6           65.2               17.6 +/-    1.29      19.2 +/-    1.29  0.040 / 0.050
G27     226.0          10.5               13.8 +/-    3.31      37.9 +/-    3.31  0.040 / 0.070
G31     174.6          41.0               14.7 +/-    1.56      21.0 +/-    1.56  0.180 / 0.300
G32     6.9            68.2                9.4 +/-    0.72      10.1 +/-    0.72  0.160 / 0.270