PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/11/13-14:12:40 G02 85.1 11.7 6.1 +/- 2.11 16.4 +/- 2.11 0.040 / 0.060 G05 44.4 34.6 2.3 +/- 0.85 3.6 +/- 0.85 0.040 / 0.070 G13 95.6 32.7 8.1 +/- 0.32 13.3 +/- 0.32 0.130 / 0.350 G15 140.8 40.5 7.0 +/- 0.82 10.1 +/- 0.82 0.130 / 0.330 G20 235.8 26.5 5.7 +/- 3.64 10.7 +/- 3.64 0.050 / 0.130 G21 298.7 36.4 5.6 +/- 1.04 8.6 +/- 1.04 0.070 / 0.120 G25 208.3 25.4 7.8 +/- 1.55 15.1 +/- 1.55 0.030 / 0.030 G26 304.2 18.3 3.6 +/- 1.22 8.2 +/- 1.22 0.030 / 0.030 G29 20.0 85.6 3.5 +/- 0.54 3.5 +/- 0.54 0.060 / 0.120