PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/10/10-19:12:30 G10 291.5 50.7 15.2 +/- 3.10 19.0 +/- 3.10 0.040 / 0.040 G15 47.0 31.8 12.0 +/- 1.12 20.3 +/- 1.12 0.040 / 0.040 G20 344.2 65.4 15.7 +/- 0.58 17.1 +/- 0.58 0.070 / 0.120 G21 73.9 76.7 16.0 +/- 0.46 16.4 +/- 0.46 0.070 / 0.110 G24 105.1 24.4 17.9 +/- 1.65 35.4 +/- 1.65 0.110 / 0.090 G27 306.2 31.8 14.7 +/- 1.21 24.9 +/- 1.21 0.070 / 0.090 G29 168.2 13.2 16.5 +/- 1.40 42.8 +/- 1.40 0.060 / 0.110 G32 207.9 27.6 17.4 +/- 1.22 32.1 +/- 1.22 0.080 / 0.140