PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/10/30-16:12:40 G05 52.4 11.5 7.1 +/- 2.70 19.2 +/- 2.70 0.260 / 0.130 G10 244.0 22.8 10.9 +/- 1.43 22.4 +/- 1.43 0.130 / 0.260 G13 60.9 32.4 8.7 +/- 1.10 14.5 +/- 1.10 0.130 / 0.520 G15 99.6 57.0 10.8 +/- 1.08 12.6 +/- 1.08 0.140 / 0.430 G16 302.8 15.7 6.0 +/- 1.72 14.7 +/- 1.72 0.050 / 0.060 G20 261.6 47.5 9.4 +/- 4.14 12.2 +/- 4.14 0.060 / 0.060 G21 325.1 54.3 8.8 +/- 0.42 10.5 +/- 0.42 0.030 / 0.030 G26 276.0 18.1 8.6 +/- 0.85 19.9 +/- 0.85 0.040 / 0.040 G29 160.8 60.5 11.6 +/- 0.40 13.1 +/- 0.40 0.080 / 0.100