PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/12/14-17:12:50 G08 268.4 19.3 5.2 +/- 4.41 11.7 +/- 4.41 0.130 / 0.240 G10 60.1 57.4 7.8 +/- 0.44 9.0 +/- 0.44 0.230 / 0.220 G11 315.6 12.4 3.4 +/- 11.53 9.0 +/- 11.53 0.040 / 0.050 G14 256.8 61.3 7.7 +/- 0.88 8.7 +/- 0.88 0.040 / 0.050 G20 95.4 34.7 7.3 +/- 0.79 11.7 +/- 0.79 0.040 / 0.030 G21 154.6 16.6 9.0 +/- 4.43 21.6 +/- 4.43 0.040 / 0.040 G24 41.3 12.2 6.5 +/- 2.22 17.4 +/- 2.22 0.160 / 0.240 G27 233.0 17.7 7.3 +/- 2.83 17.1 +/- 2.83 0.090 / 0.200 G31 179.1 27.5 10.7 +/- 2.94 19.7 +/- 2.94 0.200 / 0.300 G32 339.0 75.1 6.9 +/- 0.79 7.1 +/- 0.79 0.200 / 0.450