PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/02/10-14:12:50 G08 267.9 19.4 3.4 +/- 2.58 7.6 +/- 2.58 0.030 / 0.020 G10 57.7 58.6 4.6 +/- 0.69 5.3 +/- 0.69 0.030 / 0.020 G11 312.4 16.7 -5.8 +/- 7.59 -13.8 +/- 7.59 0.130 / 0.280 G14 262.3 65.8 5.7 +/- 0.59 6.2 +/- 0.59 0.120 / 0.240 G18 312.3 33.4 3.0 +/- 0.61 4.9 +/- 0.61 0.110 / 0.260 G20 93.2 38.0 5.4 +/- 1.23 8.1 +/- 1.23 0.040 / 0.040 G21 153.1 13.0 5.9 +/- 2.05 15.5 +/- 2.05 0.040 / 0.040 G27 236.0 18.2 3.7 +/- 3.64 8.6 +/- 3.64 0.050 / 0.100 G31 181.4 24.7 5.3 +/- 1.21 10.4 +/- 1.21 0.070 / 0.120 G32 317.3 75.1 4.4 +/- 0.59 4.5 +/- 0.59 0.030 / 0.020