PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/10/19-16:58:10 G05 52.7 10.6 8.6 +/- 2.17 23.6 +/- 2.17 0.250 / 0.280 G10 244.3 23.1 12.4 +/- 1.01 25.3 +/- 1.01 0.180 / 0.260 G13 60.4 32.3 8.3 +/- 1.18 13.9 +/- 1.18 0.130 / 0.440 G15 99.6 57.2 10.6 +/- 0.67 12.4 +/- 0.67 0.140 / 0.510 G16 302.5 15.7 7.4 +/- 1.71 18.1 +/- 1.71 0.040 / 0.050 G20 261.9 47.5 10.0 +/- 3.93 13.0 +/- 3.93 0.060 / 0.040 G21 325.3 54.4 9.7 +/- 0.51 11.7 +/- 0.51 0.060 / 0.100 G26 275.5 18.0 10.5 +/- 1.27 24.4 +/- 1.27 0.080 / 0.100 G29 161.0 59.9 12.5 +/- 0.39 14.2 +/- 0.39 0.030 / 0.040