PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/08/08-01:12:40 G08 315.4 15.8 8.1 +/- 3.03 19.9 +/- 3.03 0.050 / 0.080 G10 317.3 57.3 11.9 +/- 0.57 13.9 +/- 0.57 0.060 / 0.080 G14 214.4 21.7 16.3 +/- 1.28 34.5 +/- 1.28 0.120 / 0.200 G15 45.9 20.2 6.1 +/- 1.17 13.4 +/- 1.17 0.100 / 0.210 G20 318.3 57.9 9.5 +/- 0.57 11.0 +/- 0.57 0.060 / 0.150 G21 123.8 65.8 12.2 +/- 0.78 13.3 +/- 0.78 0.060 / 0.140 G24 81.9 29.3 10.4 +/- 0.88 18.5 +/- 0.88 0.030 / 0.050 G27 285.8 37.5 11.4 +/- 1.22 17.3 +/- 1.22 0.040 / 0.040 G32 216.8 46.2 15.2 +/- 1.02 20.2 +/- 1.02 0.030 / 0.040