PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/12/01-18:12:50 G08 265.9 18.1 8.2 +/- 2.22 18.9 +/- 2.22 0.250 / 0.320 G10 65.4 56.1 8.7 +/- 1.04 10.2 +/- 1.04 0.180 / 0.220 G11 313.5 14.7 5.6 +/- 2.80 14.0 +/- 2.80 0.060 / 0.040 G14 262.0 62.9 9.6 +/- 0.59 10.6 +/- 0.59 0.050 / 0.050 G20 98.1 33.0 8.9 +/- 0.85 14.7 +/- 0.85 0.100 / 0.180 G21 155.2 14.1 8.5 +/- 4.28 21.5 +/- 4.28 0.100 / 0.200 G24 40.0 10.0 5.9 +/- 3.21 16.5 +/- 3.21 0.170 / 0.370 G27 230.7 15.6 9.9 +/- 3.05 24.2 +/- 3.05 0.110 / 0.300 G31 178.1 31.1 10.7 +/- 0.96 18.3 +/- 0.96 0.030 / 0.020 G32 348.7 73.4 9.2 +/- 0.40 9.5 +/- 0.40 0.030 / 0.030