PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/11/22-22:42:50 G01 222.0 15.0 9.9 +/- 1.37 24.6 +/- 1.37 0.040 / 0.040 G03 284.5 68.1 5.1 +/- 0.49 5.5 +/- 0.49 0.040 / 0.040 G09 296.4 12.5 9.9 +/- 4.27 26.1 +/- 4.27 0.120 / 0.170 G14 85.8 27.2 8.5 +/- 1.33 15.7 +/- 1.33 0.110 / 0.170 G16 141.4 47.4 11.2 +/- 1.08 14.6 +/- 1.08 0.040 / 0.090 G22 216.0 68.8 8.0 +/- 1.14 8.6 +/- 1.14 0.040 / 0.100 G23 309.0 38.9 7.6 +/- 0.94 11.2 +/- 0.94 0.030 / 0.040 G26 92.8 54.3 8.3 +/- 0.86 10.0 +/- 0.86 0.030 / 0.040 G31 46.5 29.9 6.5 +/- 1.70 11.5 +/- 1.70 0.070 / 0.100