PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/11/19-21:27:30 G01 297.8 38.4 8.8 +/- 2.54 13.1 +/- 2.54 0.050 / 0.050 G03 309.7 11.9 2.4 +/- 30.81 6.5 +/- 30.81 0.040 / 0.050 G10 115.0 32.4 10.9 +/- 0.63 18.1 +/- 0.63 0.080 / 0.070 G11 269.7 27.3 9.2 +/- 2.02 17.1 +/- 2.02 0.070 / 0.070 G14 15.8 61.9 9.9 +/- 0.81 11.0 +/- 0.81 0.070 / 0.080 G22 312.6 32.7 7.4 +/- 1.48 12.3 +/- 1.48 0.060 / 0.090 G25 68.0 16.8 9.5 +/- 1.66 22.5 +/- 1.66 0.070 / 0.160 G31 159.0 73.3 10.9 +/- 0.40 11.3 +/- 0.40 0.110 / 0.130 G32 45.4 46.1 8.8 +/- 0.70 11.6 +/- 0.70 0.330 / 0.260