PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/12/11-15:12:20 G10 301.1 53.8 6.7 +/- 1.09 8.1 +/- 1.09 0.060 / 0.080 G15 45.5 23.7 4.6 +/- 0.65 9.2 +/- 0.65 0.060 / 0.090 G20 3.5 64.8 6.3 +/- 0.68 6.9 +/- 0.68 0.080 / 0.170 G21 100.6 72.6 5.4 +/- 0.94 5.6 +/- 0.94 0.070 / 0.160 G24 98.4 27.1 8.7 +/- 0.48 16.3 +/- 0.48 0.040 / 0.050 G27 299.6 35.1 7.0 +/- 1.80 11.2 +/- 1.80 0.040 / 0.040 G32 210.0 34.6 10.1 +/- 2.12 16.2 +/- 2.12 0.050 / 0.040