PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/05/10-05:27:50 G10 281.5 46.4 6.8 +/- 1.14 9.0 +/- 1.14 0.070 / 0.120 G15 49.5 37.7 4.1 +/- 0.91 6.3 +/- 0.91 0.080 / 0.130 G20 323.5 64.3 4.2 +/- 0.68 4.6 +/- 0.68 0.060 / 0.050 G21 49.0 76.6 5.0 +/- 0.65 5.1 +/- 0.65 0.050 / 0.050 G24 109.4 20.9 6.2 +/- 0.63 13.3 +/- 0.63 0.040 / 0.040 G27 312.7 26.4 6.2 +/- 2.17 11.8 +/- 2.17 0.040 / 0.040 G29 166.6 16.3 4.8 +/- 2.52 11.5 +/- 2.52 0.090 / 0.140 G32 207.3 16.5 5.6 +/- 2.50 13.4 +/- 2.50 0.090 / 0.130