PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/08/13-03:13:10 G08 277.8 22.2 8.7 +/- 1.83 18.1 +/- 1.83 0.030 / 0.040 G10 34.2 62.6 6.5 +/- 0.97 7.2 +/- 0.97 0.040 / 0.030 G11 316.9 10.8 -6.4 +/- 14.75 -17.5 +/- 14.75 0.070 / 0.150 G14 246.0 59.4 10.9 +/- 0.96 12.5 +/- 0.96 0.070 / 0.130 G18 78.0 45.0 -54.4 +/- 54.21 -73.3 +/- 54.21 0.070 / 0.170 G24 46.8 19.8 3.7 +/- 2.10 8.3 +/- 2.10 0.070 / 0.160 G27 240.1 23.6 8.2 +/- 2.33 16.6 +/- 2.33 0.050 / 0.080 G31 181.1 17.7 11.0 +/- 2.88 25.6 +/- 2.88 0.040 / 0.080 G32 282.2 74.5 8.3 +/- 0.88 8.6 +/- 0.88 0.090 / 0.130