PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/12/14-15:28:10 G08 314.6 16.6 5.7 +/- 1.76 13.7 +/- 1.76 0.060 / 0.090 G10 322.9 58.8 6.8 +/- 0.39 7.8 +/- 0.39 0.060 / 0.080 G14 214.7 20.3 7.0 +/- 3.49 15.4 +/- 3.49 0.160 / 0.400 G15 45.9 12.6 3.5 +/- 3.13 9.3 +/- 3.13 0.310 / 0.360 G20 31.1 61.0 7.6 +/- 0.88 8.5 +/- 0.88 0.030 / 0.030 G21 126.4 62.4 8.3 +/- 0.77 9.2 +/- 0.77 0.030 / 0.030 G24 83.7 30.4 8.4 +/- 1.70 14.6 +/- 1.70 0.150 / 0.280 G27 283.9 38.2 4.4 +/- 1.78 6.6 +/- 1.78 0.230 / 0.330 G32 216.9 47.4 7.5 +/- 1.06 9.8 +/- 1.06 0.040 / 0.040