PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/12/01-20:12:40 G01 309.3 31.9 10.7 +/- 2.28 18.0 +/- 2.28 0.040 / 0.050 G10 103.5 41.1 10.3 +/- 0.91 14.7 +/- 0.91 0.040 / 0.050 G11 283.0 28.4 10.2 +/- 1.67 18.5 +/- 1.67 0.080 / 0.160 G14 352.6 68.0 8.8 +/- 0.72 9.4 +/- 0.72 0.100 / 0.170 G20 119.0 15.8 11.3 +/- 1.21 27.5 +/- 1.21 0.080 / 0.120 G22 308.9 23.3 8.4 +/- 1.76 17.0 +/- 1.76 0.120 / 0.120 G25 79.2 14.8 12.3 +/- 1.32 30.8 +/- 1.32 0.090 / 0.180 G31 173.1 59.9 11.5 +/- 0.80 13.1 +/- 0.80 0.080 / 0.180 G32 32.8 54.7 9.3 +/- 0.46 11.1 +/- 0.46 0.050 / 0.050