PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/10/24-21:13:10 G08 306.9 20.3 19.2 +/- 2.09 42.0 +/- 2.09 0.060 / 0.090 G10 334.3 60.3 16.6 +/- 0.59 18.8 +/- 0.59 0.050 / 0.110 G14 219.3 33.9 21.1 +/- 1.25 34.3 +/- 1.25 0.040 / 0.070 G18 43.1 58.1 17.2 +/- 0.32 19.8 +/- 0.32 0.040 / 0.070 G21 135.8 52.1 25.8 +/- 0.96 31.7 +/- 0.96 0.060 / 0.090 G24 73.1 30.5 18.8 +/- 0.76 32.5 +/- 0.76 0.050 / 0.070 G27 270.4 37.2 20.0 +/- 1.09 30.5 +/- 1.09 0.040 / 0.050 G32 225.3 51.4 21.4 +/- 2.58 26.6 +/- 2.58 0.040 / 0.060