PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/09/26-22:42:40 G08 315.9 15.3 10.8 +/- 2.19 26.8 +/- 2.19 0.070 / 0.040 G10 313.3 56.1 11.1 +/- 1.35 13.1 +/- 1.35 0.050 / 0.060 G14 213.7 23.4 17.4 +/- 1.84 35.3 +/- 1.84 0.030 / 0.040 G15 45.6 18.9 11.3 +/- 2.19 25.6 +/- 2.19 0.030 / 0.030 G18 21.6 63.1 12.7 +/- 0.94 14.1 +/- 0.94 0.070 / 0.100 G20 79.3 11.0 14.1 +/- 3.65 38.6 +/- 3.65 0.080 / 0.100 G21 122.4 64.1 14.7 +/- 0.40 16.1 +/- 0.40 0.060 / 0.070 G24 86.8 29.8 14.2 +/- 2.16 24.9 +/- 2.16 0.060 / 0.070 G27 285.5 37.9 10.8 +/- 1.73 16.3 +/- 1.73 0.290 / 0.360 G32 216.9 39.7 16.9 +/- 1.55 24.7 +/- 1.55 0.160 / 0.310