PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/08/29-21:12:40 G05 50.8 13.0 8.4 +/- 2.05 21.8 +/- 2.05 0.070 / 0.150 G10 239.9 16.8 16.4 +/- 1.92 39.0 +/- 1.92 0.050 / 0.170 G13 68.3 35.3 11.3 +/- 0.71 17.8 +/- 0.71 0.050 / 0.070 G15 121.9 55.5 12.4 +/- 1.04 14.7 +/- 1.04 0.060 / 0.050 G16 307.4 15.1 9.6 +/- 2.52 23.8 +/- 2.52 0.120 / 0.480 G20 243.3 4.7 7.6 +/- 1.40 23.1 +/- 1.40 0.130 / 0.480 G21 317.5 49.8 12.2 +/- 1.09 15.4 +/- 1.09 0.050 / 0.130 G26 279.9 20.1 11.3 +/- 1.61 24.8 +/- 1.61 0.050 / 0.140 G29 160.0 67.3 12.7 +/- 1.58 13.6 +/- 1.58 0.040 / 0.040