PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/08/07-01:13:00 G08 316.7 14.8 12.1 +/- 30.65 30.4 +/- 30.65 0.060 / 0.210 G10 314.1 56.6 20.9 +/- 31.75 24.6 +/- 31.75 0.050 / 0.100 G14 213.7 19.9 11.3 +/- 10.95 25.0 +/- 10.95 0.170 / 0.350 G15 45.8 21.8 4.3 +/- 3.72 9.0 +/- 3.72 0.100 / 0.290 G20 316.1 57.4 19.3 +/- 30.74 22.5 +/- 30.74 0.060 / 0.140 G21 120.7 67.4 23.4 +/- 32.38 25.2 +/- 32.38 0.030 / 0.040 G24 84.0 29.0 7.5 +/- 3.13 13.4 +/- 3.13 0.030 / 0.150 G27 288.2 37.3 16.9 +/- 29.68 25.8 +/- 29.68 0.030 / 0.060 G32 215.6 44.3 23.4 +/- 30.55 31.8 +/- 30.55 0.060 / 0.130