PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/10/03-20:13:10 G10 248.8 24.4 20.7 +/- 1.73 41.0 +/- 1.73 0.140 / 0.430 G13 56.7 32.4 17.6 +/- 0.72 29.3 +/- 0.72 0.130 / 0.440 G15 90.5 57.5 20.3 +/- 0.52 23.6 +/- 0.52 0.040 / 0.050 G16 301.8 13.7 14.7 +/- 2.10 37.8 +/- 2.10 0.030 / 0.050 G18 266.5 55.1 19.6 +/- 0.90 23.4 +/- 0.90 0.150 / 0.300 G20 41.1 50.5 16.6 +/- 0.34 20.7 +/- 0.34 0.140 / 0.360 G21 333.5 60.2 18.0 +/- 1.13 20.4 +/- 1.13 0.050 / 0.160 G26 274.3 15.9 17.6 +/- 2.20 42.8 +/- 2.20 0.050 / 0.120 G29 161.9 47.3 22.0 +/- 0.61 28.7 +/- 0.61 0.050 / 0.060