PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/10/26-18:12:30 G10 295.2 52.0 11.6 +/- 0.86 14.3 +/- 0.86 0.060 / 0.110 G15 46.3 28.8 8.2 +/- 0.69 14.7 +/- 0.69 0.060 / 0.070 G20 351.4 65.3 11.2 +/- 1.08 12.2 +/- 1.08 0.070 / 0.130 G21 85.1 75.6 13.3 +/- 0.73 13.6 +/- 0.73 0.070 / 0.120 G24 102.5 25.6 14.7 +/- 1.24 28.4 +/- 1.24 0.070 / 0.050 G27 303.7 33.2 11.0 +/- 2.56 18.0 +/- 2.56 0.040 / 0.050 G29 168.1 11.0 19.5 +/- 2.51 53.4 +/- 2.51 0.160 / 0.270 G32 208.7 30.3 18.0 +/- 3.13 31.3 +/- 3.13 0.140 / 0.300