PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/12/10-01:12:40 G07 331.4 57.8 3.8 +/- 0.46 4.4 +/- 0.46 0.110 / 0.210 G08 98.4 51.0 4.0 +/- 0.97 5.0 +/- 0.97 0.100 / 0.160 G09 178.4 70.5 5.6 +/- 0.34 5.9 +/- 0.34 0.040 / 0.050 G11 149.5 12.6 5.6 +/- 2.29 14.8 +/- 2.29 0.040 / 0.040 G23 155.6 43.4 5.6 +/- 0.70 7.8 +/- 0.70 0.150 / 0.310 G27 56.0 31.9 2.7 +/- 1.16 4.6 +/- 1.16 0.120 / 0.330 G28 234.3 20.5 5.8 +/- 2.47 12.7 +/- 2.47 0.170 / 0.570 G30 299.1 31.3 4.0 +/- 1.26 6.9 +/- 1.26 0.280 / 0.450