PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/11/23-22:43:00 G01 277.8 41.3 10.5 +/- 1.86 14.9 +/- 1.86 0.040 / 0.050 G03 314.6 24.2 7.8 +/- 1.69 15.4 +/- 1.69 0.040 / 0.070 G10 126.6 21.8 10.2 +/- 1.02 21.4 +/- 1.02 0.070 / 0.060 G11 255.3 23.0 10.9 +/- 3.98 22.2 +/- 3.98 0.050 / 0.080 G14 38.0 52.6 9.5 +/- 1.64 11.6 +/- 1.64 0.020 / 0.020 G22 314.5 46.0 9.1 +/- 0.52 12.1 +/- 0.52 0.020 / 0.020 G25 56.5 17.7 8.4 +/- 1.76 19.5 +/- 1.76 0.070 / 0.130 G26 153.6 19.4 14.1 +/- 2.16 31.4 +/- 2.16 0.120 / 0.130 G31 83.0 80.8 9.9 +/- 0.48 10.0 +/- 0.48 0.050 / 0.050 G32 58.7 37.1 8.1 +/- 0.85 12.4 +/- 0.85 0.050 / 0.050