PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/10/02-17:42:50 G05 48.3 18.9 6.9 +/- 0.56 15.5 +/- 0.56 0.060 / 0.150 G10 236.2 14.5 10.9 +/- 3.05 27.4 +/- 3.05 0.070 / 0.170 G13 74.0 35.2 8.7 +/- 0.89 13.7 +/- 0.89 0.060 / 0.090 G15 122.8 52.8 11.2 +/- 0.88 13.6 +/- 0.88 0.050 / 0.090 G16 313.2 13.0 7.2 +/- 3.38 18.9 +/- 3.38 0.130 / 0.360 G20 249.4 38.8 11.1 +/- 1.10 16.4 +/- 1.10 0.230 / 0.380 G21 313.6 46.6 8.5 +/- 1.18 11.2 +/- 1.18 0.050 / 0.130 G25 199.7 11.5 11.1 +/- 2.19 30.0 +/- 2.19 0.050 / 0.130 G26 287.1 20.1 8.4 +/- 2.03 18.5 +/- 2.03 0.110 / 0.360 G29 153.6 72.9 13.6 +/- 0.94 14.2 +/- 0.94 0.110 / 0.390