PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/12/07-22:12:30 G03 240.4 68.3 10.2 +/- 0.54 10.9 +/- 0.54 0.040 / 0.060 G09 305.4 23.2 7.1 +/- 0.97 14.4 +/- 0.97 0.040 / 0.060 G14 98.3 17.7 10.3 +/- 1.26 24.0 +/- 1.26 0.110 / 0.510 G16 121.2 58.8 10.7 +/- 0.50 12.2 +/- 0.50 0.120 / 0.520 G22 197.3 55.1 9.0 +/- 2.25 10.7 +/- 2.25 0.040 / 0.070 G23 319.5 49.3 7.3 +/- 0.84 9.3 +/- 0.84 0.040 / 0.050 G26 68.5 51.2 7.1 +/- 0.68 8.9 +/- 0.68 0.040 / 0.040 G31 52.7 19.1 5.8 +/- 0.73 13.1 +/- 0.73 0.040 / 0.040