PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/10/10-15:28:10 G02 62.1 30.4 7.6 +/- 0.52 13.2 +/- 0.52 0.120 / 0.260 G05 55.5 61.3 8.9 +/- 0.56 10.0 +/- 0.56 0.080 / 0.240 G12 182.1 28.0 11.4 +/- 2.05 20.8 +/- 2.05 0.100 / 0.310 G13 123.8 17.2 12.6 +/- 2.20 29.7 +/- 2.20 0.080 / 0.310 G15 161.2 15.7 13.8 +/- 2.54 33.8 +/- 2.54 0.030 / 0.040 G21 274.3 18.8 8.7 +/- 1.70 19.7 +/- 1.70 0.020 / 0.040 G25 232.8 49.7 9.6 +/- 0.92 12.2 +/- 0.92 0.080 / 0.110 G29 330.4 57.0 7.4 +/- 1.16 8.7 +/- 1.16 0.090 / 0.120