PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/10/25-21:28:10 G01 313.9 28.4 7.8 +/- 2.59 14.1 +/- 2.59 0.130 / 0.510 G10 94.9 45.0 9.3 +/- 0.52 12.5 +/- 0.52 0.170 / 0.400 G11 295.4 24.7 8.2 +/- 3.14 16.2 +/- 3.14 0.050 / 0.050 G14 317.0 70.2 8.0 +/- 0.62 8.5 +/- 0.62 0.040 / 0.050 G20 114.4 19.6 9.3 +/- 1.70 20.8 +/- 1.70 0.070 / 0.140 G22 305.7 16.3 4.0 +/- 4.41 9.7 +/- 4.41 0.070 / 0.200 G25 92.9 12.5 7.8 +/- 1.28 20.6 +/- 1.28 0.130 / 0.360 G31 171.5 54.0 10.0 +/- 1.03 12.1 +/- 1.03 0.130 / 0.490 G32 25.7 59.2 9.0 +/- 0.48 10.3 +/- 0.48 0.040 / 0.050