PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/09/12-01:28:10 G08 269.8 19.8 9.5 +/- 3.12 21.0 +/- 3.12 0.080 / 0.260 G10 51.4 60.6 10.1 +/- 0.54 11.4 +/- 0.54 0.130 / 0.180 G11 313.1 15.9 9.8 +/- 3.37 23.7 +/- 3.37 0.090 / 0.410 G14 260.1 65.1 9.1 +/- 0.57 10.0 +/- 0.57 0.110 / 0.420 G18 87.3 39.4 10.5 +/- 0.97 15.4 +/- 0.97 0.030 / 0.030 G21 153.2 18.3 12.2 +/- 3.10 28.0 +/- 3.10 0.040 / 0.030 G24 42.2 14.5 8.3 +/- 2.73 20.9 +/- 2.73 0.040 / 0.050 G27 233.6 18.3 13.0 +/- 1.33 29.8 +/- 1.33 0.040 / 0.050 G31 180.4 24.5 13.3 +/- 1.84 26.2 +/- 1.84 0.130 / 0.270 G32 311.4 75.1 10.8 +/- 0.84 11.2 +/- 0.84 0.120 / 0.340