PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/10/19-16:42:40 G05 49.7 16.2 7.0 +/- 0.83 17.0 +/- 0.83 0.100 / 0.200 G10 239.1 17.8 9.9 +/- 1.68 22.9 +/- 1.68 0.120 / 0.270 G13 68.7 34.5 7.9 +/- 0.76 12.6 +/- 0.76 0.110 / 0.400 G15 113.8 55.1 10.3 +/- 0.36 12.2 +/- 0.36 0.110 / 0.380 G16 309.2 14.3 7.9 +/- 1.53 20.0 +/- 1.53 0.050 / 0.080 G20 253.8 42.4 10.8 +/- 1.49 15.1 +/- 1.49 0.060 / 0.060 G21 318.0 49.6 10.2 +/- 0.81 12.9 +/- 0.81 0.020 / 0.030 G26 282.7 19.6 8.7 +/- 2.31 19.2 +/- 2.31 0.030 / 0.040 G29 157.1 68.2 12.0 +/- 1.13 12.8 +/- 1.13 0.100 / 0.320