PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/09/26-22:43:10 G08 315.6 15.6 10.2 +/- 2.16 25.1 +/- 2.16 0.030 / 0.050 G10 314.1 56.3 11.5 +/- 0.68 13.5 +/- 0.68 0.040 / 0.050 G14 213.9 23.8 18.4 +/- 1.14 37.0 +/- 1.14 0.060 / 0.120 G15 45.6 18.5 10.2 +/- 0.89 23.3 +/- 0.89 0.060 / 0.130 G18 22.5 62.9 11.9 +/- 0.52 13.2 +/- 0.52 0.040 / 0.070 G20 79.6 10.7 11.8 +/- 3.26 32.5 +/- 3.26 0.040 / 0.070 G21 123.1 63.7 15.2 +/- 0.65 16.8 +/- 0.65 0.100 / 0.360 G24 86.3 29.9 14.0 +/- 0.63 24.6 +/- 0.63 0.100 / 0.310 G27 284.9 38.0 13.3 +/- 1.19 20.0 +/- 1.19 0.100 / 0.580 G32 217.1 40.1 16.1 +/- 1.06 23.4 +/- 1.06 0.100 / 0.500