PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/08/01-23:12:40 G05 51.9 10.5 8.9 +/- 3.19 24.5 +/- 3.19 0.170 / 0.390 G10 241.6 18.5 12.5 +/- 1.88 28.6 +/- 1.88 0.130 / 0.360 G13 65.5 34.8 10.9 +/- 1.28 17.4 +/- 1.28 0.130 / 0.650 G15 115.4 56.7 10.6 +/- 1.50 12.4 +/- 1.50 0.140 / 0.580 G16 305.4 15.4 7.1 +/- 5.30 17.5 +/- 5.30 0.120 / 0.300 G20 248.2 20.5 14.4 +/- 1.03 31.3 +/- 1.03 0.110 / 0.220 G21 320.1 51.6 10.6 +/- 1.85 13.1 +/- 1.85 0.050 / 0.060 G26 277.4 19.5 10.5 +/- 2.28 23.4 +/- 2.28 0.080 / 0.060 G29 161.3 64.3 10.6 +/- 1.50 11.6 +/- 1.50 0.030 / 0.040