PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/10/09-21:58:10 G08 312.9 17.3 10.9 +/- 1.53 25.6 +/- 1.53 0.060 / 0.110 G10 320.5 57.7 12.3 +/- 0.55 14.3 +/- 0.55 0.060 / 0.120 G14 215.5 27.1 14.4 +/- 1.87 26.9 +/- 1.87 0.030 / 0.050 G15 45.9 15.1 10.3 +/- 2.12 25.6 +/- 2.12 0.030 / 0.040 G18 30.0 61.4 12.8 +/- 0.56 14.3 +/- 0.56 0.040 / 0.050 G21 128.2 59.8 14.8 +/- 0.70 16.9 +/- 0.70 0.030 / 0.050 G24 81.9 30.4 13.8 +/- 0.71 23.9 +/- 0.71 0.070 / 0.080 G27 280.0 38.1 12.6 +/- 0.73 19.0 +/- 0.73 0.070 / 0.070 G32 219.5 43.6 14.7 +/- 1.56 20.2 +/- 1.56 0.040 / 0.050