PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/07/25-05:27:30
G01     317.9          20.1                4.1 +/-    2.60       8.9 +/-    2.60  0.050 / 0.040
G08     253.6          11.9                5.7 +/-    2.31      15.3 +/-    2.31  0.040 / 0.040
G10     82.4           52.9                1.7 +/-    0.70       2.1 +/-    0.70  0.100 / 0.240
G11     298.8          26.3                2.5 +/-    1.81       4.8 +/-    1.81  0.100 / 0.260
G14     310.3          71.6                2.7 +/-    0.75       2.9 +/-    0.75  0.170 / 0.340
G18     103.0          29.2                2.9 +/-    1.19       5.2 +/-    1.19  0.120 / 0.300
G22     301.8          13.3                3.9 +/-    1.69      10.1 +/-    1.69  0.050 / 0.050
G31     175.3          44.8                7.2 +/-    2.03       9.8 +/-    2.03  0.050 / 0.050
G32     10.2           66.2                2.6 +/-    0.89       2.9 +/-    0.89  0.070 / 0.070