PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/09-00:28:10
G01     315.7          24.2                7.9 +/-    2.49      15.8 +/-    2.49  0.040 / 0.040
G10     90.3           49.5                9.1 +/-    0.54      11.6 +/-    0.54  0.030 / 0.040
G11     294.7          27.1                7.4 +/-    1.15      13.8 +/-    1.15  0.080 / 0.180
G14     326.4          71.1                8.0 +/-    0.91       8.5 +/-    0.91  0.150 / 0.210
G18     108.1          23.5                9.4 +/-    1.06      18.9 +/-    1.06  0.150 / 0.370
G22     304.0          15.3                7.8 +/-    3.11      19.2 +/-    3.11  0.110 / 0.440
G25     92.2           11.8                7.3 +/-    2.25      19.4 +/-    2.25  0.150 / 0.440
G31     177.5          47.8               11.8 +/-    1.23      15.3 +/-    1.23  0.150 / 0.540
G32     14.1           64.1                5.4 +/-    0.70       6.0 +/-    0.70  0.040 / 0.050