PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/12/08-18:27:50 G08 270.6 20.5 10.1 +/- 3.04 22.0 +/- 3.04 0.030 / 0.030 G10 51.3 59.9 13.6 +/- 0.35 15.4 +/- 0.35 0.030 / 0.030 G11 314.3 14.6 11.1 +/- 2.18 27.8 +/- 2.18 0.110 / 0.370 G14 255.6 63.3 13.6 +/- 0.90 15.0 +/- 0.90 0.090 / 0.260 G20 89.7 40.2 15.2 +/- 0.45 22.1 +/- 0.45 0.170 / 0.380 G21 153.0 18.1 15.8 +/- 2.32 36.4 +/- 2.32 0.130 / 0.250 G24 40.0 10.1 14.9 +/- 2.34 41.5 +/- 2.34 0.090 / 0.130 G27 238.4 20.2 12.9 +/- 0.80 28.2 +/- 0.80 0.100 / 0.130 G31 181.6 22.0 17.1 +/- 3.42 35.8 +/- 3.42 0.050 / 0.050 G32 313.2 75.9 14.7 +/- 0.44 15.1 +/- 0.44 0.040 / 0.060