PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/12/04-15:58:00 G08 318.5 13.3 6.3 +/- 2.01 16.3 +/- 2.01 0.060 / 0.060 G10 313.2 56.9 6.4 +/- 2.03 7.5 +/- 2.03 0.050 / 0.070 G14 212.9 15.1 9.2 +/- 4.08 22.8 +/- 4.08 0.190 / 0.500 G15 45.4 17.5 5.5 +/- 1.45 12.9 +/- 1.45 0.210 / 0.330 G20 19.6 63.0 7.5 +/- 1.84 8.3 +/- 1.84 0.110 / 0.310 G21 117.6 67.4 7.9 +/- 0.38 8.5 +/- 0.38 0.100 / 0.360 G24 90.1 29.4 9.5 +/- 1.21 16.9 +/- 1.21 0.030 / 0.040 G27 290.9 37.4 4.1 +/- 4.26 6.2 +/- 4.26 0.040 / 0.030 G32 213.6 41.9 9.0 +/- 1.00 12.7 +/- 1.00 0.080 / 0.050