PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/12/16-18:43:00 G01 293.2 41.5 9.5 +/- 2.89 13.6 +/- 2.89 0.080 / 0.090 G03 310.3 12.8 5.7 +/- 13.18 14.9 +/- 13.18 0.090 / 0.100 G10 116.5 29.5 10.7 +/- 2.10 19.0 +/- 2.10 0.040 / 0.050 G11 274.0 24.8 9.3 +/- 2.62 18.2 +/- 2.62 0.050 / 0.050 G14 9.9 63.4 7.6 +/- 0.76 8.4 +/- 0.76 0.060 / 0.090 G22 313.3 34.2 5.7 +/- 0.66 9.2 +/- 0.66 0.080 / 0.100 G25 70.9 18.0 9.4 +/- 1.38 21.7 +/- 1.38 0.260 / 0.340 G26 159.4 10.4 -11.8 +/- 35.72 -32.7 +/- 35.72 0.370 / 0.380 G31 148.3 75.5 8.5 +/- 0.32 8.7 +/- 0.32 0.070 / 0.130 G32 48.5 43.2 8.3 +/- 1.07 11.4 +/- 1.07 0.070 / 0.150