PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/08/22-00:42:30 G08 304.6 21.4 7.7 +/- 2.11 16.3 +/- 2.11 0.060 / 0.110 G10 340.6 61.2 7.3 +/- 0.56 8.2 +/- 0.56 0.090 / 0.080 G14 220.5 33.7 9.9 +/- 1.70 16.1 +/- 1.70 0.040 / 0.060 G15 47.7 10.4 6.0 +/- 1.50 16.5 +/- 1.50 0.060 / 0.070 G20 325.4 58.8 23.5 +/- 0.77 27.0 +/- 0.77 0.040 / 0.030 G21 138.2 54.3 8.9 +/- 0.73 10.7 +/- 0.73 0.040 / 0.060 G24 67.5 28.6 6.0 +/- 0.99 10.9 +/- 0.99 0.050 / 0.090 G27 269.8 36.6 8.9 +/- 1.95 13.8 +/- 1.95 0.060 / 0.090 G32 227.4 58.3 10.2 +/- 1.10 11.7 +/- 1.10 0.080 / 0.170