PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/10/13-00:12:50 G01 315.6 24.3 8.2 +/- 1.64 16.3 +/- 1.64 0.030 / 0.040 G10 90.6 49.4 7.6 +/- 0.55 9.7 +/- 0.55 0.030 / 0.040 G11 294.7 27.1 6.7 +/- 1.14 12.4 +/- 1.14 0.100 / 0.390 G14 326.7 71.0 7.7 +/- 0.78 8.1 +/- 0.78 0.160 / 0.360 G18 108.3 23.3 9.3 +/- 0.84 18.9 +/- 0.84 0.030 / 0.060 G22 304.1 15.4 7.4 +/- 3.61 18.2 +/- 3.61 0.040 / 0.060 G25 92.2 11.9 9.0 +/- 2.79 23.9 +/- 2.79 0.150 / 0.180 G31 177.7 47.8 12.1 +/- 0.88 15.7 +/- 0.88 0.080 / 0.190 G32 14.7 63.9 5.8 +/- 1.43 6.4 +/- 1.43 0.160 / 0.390