PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/11/23-21:42:30 G01 309.3 31.4 11.3 +/- 2.19 19.2 +/- 2.19 0.100 / 0.110 G10 102.9 42.7 12.5 +/- 0.78 17.5 +/- 0.78 0.090 / 0.130 G11 285.0 28.3 11.4 +/- 1.26 20.6 +/- 1.26 0.070 / 0.120 G14 352.1 67.9 10.3 +/- 0.30 11.0 +/- 0.30 0.080 / 0.100 G18 115.7 15.3 12.4 +/- 1.42 30.5 +/- 1.42 0.040 / 0.030 G22 308.4 22.8 12.0 +/- 2.95 24.6 +/- 2.95 0.030 / 0.030 G25 84.1 15.7 13.1 +/- 1.77 32.1 +/- 1.77 0.100 / 0.150 G31 173.6 59.6 13.2 +/- 0.69 15.1 +/- 0.69 0.140 / 0.200 G32 31.1 55.7 10.5 +/- 1.03 12.4 +/- 1.03 0.040 / 0.040