PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/10/02-22:27:40 G08 312.7 17.5 13.5 +/- 1.32 31.7 +/- 1.32 0.040 / 0.060 G10 320.7 57.8 14.5 +/- 0.86 16.9 +/- 0.86 0.040 / 0.060 G14 215.5 27.3 19.8 +/- 1.71 36.7 +/- 1.71 0.060 / 0.120 G15 46.0 15.1 12.3 +/- 2.11 30.4 +/- 2.11 0.060 / 0.110 G18 30.0 61.4 16.1 +/- 0.77 18.1 +/- 0.77 0.040 / 0.050 G21 128.3 60.0 19.6 +/- 0.71 22.2 +/- 0.71 0.040 / 0.050 G24 81.7 30.5 18.5 +/- 1.14 32.1 +/- 1.14 0.090 / 0.230 G27 279.8 38.1 16.7 +/- 0.65 25.0 +/- 0.65 0.080 / 0.210 G32 219.6 43.6 19.4 +/- 0.89 26.7 +/- 0.89 0.070 / 0.080