PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/08/09-17:28:10 G02 351.2 75.9 9.7 +/- 0.66 10.0 +/- 0.66 0.070 / 0.120 G05 162.6 38.0 11.2 +/- 1.18 16.8 +/- 1.18 0.070 / 0.130 G06 42.8 35.0 9.1 +/- 1.29 14.4 +/- 1.29 0.030 / 0.040 G12 302.3 75.0 8.9 +/- 0.66 9.2 +/- 0.66 0.020 / 0.030 G17 87.9 11.8 9.4 +/- 1.42 25.2 +/- 1.42 0.120 / 0.210 G19 79.8 22.6 8.8 +/- 0.53 18.2 +/- 0.53 0.110 / 0.250 G24 225.4 19.3 11.4 +/- 1.42 25.6 +/- 1.42 0.040 / 0.080 G25 316.0 32.3 10.6 +/- 1.48 17.7 +/- 1.48 0.040 / 0.090 G29 289.4 11.9 13.2 +/- 4.24 35.2 +/- 4.24 0.040 / 0.030