PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/09/05-21:42:50 G05 50.2 16.7 14.6 +/- 1.11 34.9 +/- 1.11 0.120 / 0.250 G10 240.2 16.0 28.3 +/- 3.45 68.8 +/- 3.45 0.150 / 0.240 G13 70.0 36.8 19.1 +/- 0.69 29.4 +/- 0.69 0.060 / 0.070 G15 115.4 55.4 21.6 +/- 0.49 25.7 +/- 0.49 0.050 / 0.070 G16 311.4 12.5 17.2 +/- 2.17 45.3 +/- 2.17 0.150 / 0.370 G18 251.5 46.5 23.2 +/- 0.55 30.6 +/- 0.55 0.130 / 0.390 G20 33.5 60.1 19.3 +/- 1.04 21.9 +/- 1.04 0.070 / 0.130 G21 319.4 51.7 20.4 +/- 1.36 25.2 +/- 1.36 0.070 / 0.130 G26 284.4 18.9 20.8 +/- 1.27 47.1 +/- 1.27 0.050 / 0.050 G29 157.9 61.6 20.9 +/- 0.64 23.4 +/- 0.64 0.040 / 0.050