PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/12/09-22:12:30 G03 230.9 66.2 8.4 +/- 0.82 9.1 +/- 0.82 0.060 / 0.060 G09 307.5 26.2 6.6 +/- 1.08 12.6 +/- 1.08 0.060 / 0.050 G14 101.3 15.3 8.7 +/- 2.69 21.4 +/- 2.69 0.170 / 0.400 G16 113.5 60.8 8.7 +/- 1.31 9.8 +/- 1.31 0.190 / 0.390 G22 194.8 51.2 10.0 +/- 0.71 12.4 +/- 0.71 0.040 / 0.050 G23 322.3 52.2 6.9 +/- 0.50 8.4 +/- 0.50 0.050 / 0.050 G26 63.4 49.2 5.6 +/- 0.47 7.1 +/- 0.47 0.040 / 0.040 G31 54.6 16.4 5.1 +/- 1.53 12.3 +/- 1.53 0.050 / 0.040