PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/08/05-19:43:10 G02 55.7 36.2 7.8 +/- 0.49 12.1 +/- 0.49 0.050 / 0.070 G05 63.4 64.1 8.8 +/- 0.49 9.6 +/- 0.49 0.050 / 0.060 G12 185.4 37.0 10.7 +/- 1.80 16.3 +/- 1.80 0.090 / 0.080 G13 129.2 12.8 11.7 +/- 2.36 30.6 +/- 2.36 0.060 / 0.120 G15 165.5 10.0 -10.4 +/- 13.09 -29.0 +/- 13.09 0.130 / 0.280 G21 268.8 14.5 9.8 +/- 3.40 24.6 +/- 3.40 0.130 / 0.260 G25 243.3 54.2 8.7 +/- 0.43 10.5 +/- 0.43 0.030 / 0.040 G29 326.8 51.7 8.3 +/- 1.08 10.3 +/- 1.08 0.020 / 0.050