PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/08/06-19:43:10 G02 57.2 35.0 8.1 +/- 1.15 12.8 +/- 1.15 0.040 / 0.060 G05 60.3 62.7 9.1 +/- 0.73 10.1 +/- 0.73 0.050 / 0.080 G12 185.0 35.1 10.5 +/- 2.16 16.6 +/- 2.16 0.060 / 0.090 G13 127.8 14.0 12.6 +/- 1.83 32.0 +/- 1.83 0.040 / 0.090 G15 164.5 11.4 10.1 +/- 23.46 27.2 +/- 23.46 0.100 / 0.340 G21 270.2 15.6 10.4 +/- 1.29 25.5 +/- 1.29 0.130 / 0.310 G25 240.3 53.1 8.6 +/- 1.37 10.4 +/- 1.37 0.150 / 0.480 G29 328.0 53.4 7.6 +/- 1.14 9.2 +/- 1.14 0.170 / 0.440