PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/10/02-22:58:10 G08 272.7 20.9 8.7 +/- 1.69 18.7 +/- 1.69 0.040 / 0.070 G10 47.8 60.6 9.6 +/- 0.70 10.9 +/- 0.70 0.040 / 0.060 G14 252.2 61.2 10.9 +/- 1.53 12.2 +/- 1.53 0.100 / 0.180 G18 315.1 26.9 6.0 +/- 2.14 11.3 +/- 2.14 0.080 / 0.140 G20 88.0 41.3 10.2 +/- 0.94 14.6 +/- 0.94 0.110 / 0.230 G21 153.3 21.9 12.6 +/- 2.33 26.4 +/- 2.33 0.090 / 0.210 G24 41.5 12.7 6.7 +/- 1.02 17.6 +/- 1.02 0.090 / 0.120 G27 238.6 20.9 11.8 +/- 2.16 25.4 +/- 2.16 0.140 / 0.140 G31 179.7 23.2 14.1 +/- 2.23 28.7 +/- 2.23 0.030 / 0.040 G32 313.6 76.5 9.8 +/- 0.64 10.1 +/- 0.64 0.030 / 0.030