PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/09/26-23:57:50 G08 283.8 23.1 12.3 +/- 1.08 25.2 +/- 1.08 0.050 / 0.130 G10 22.3 63.2 9.6 +/- 0.49 10.6 +/- 0.49 0.060 / 0.160 G14 238.4 54.6 13.6 +/- 1.57 16.2 +/- 1.57 0.080 / 0.120 G18 72.8 47.1 11.5 +/- 1.08 15.1 +/- 1.08 0.080 / 0.140 G21 149.1 31.0 14.3 +/- 0.75 24.5 +/- 0.75 0.030 / 0.040 G24 50.8 23.0 10.8 +/- 0.62 22.1 +/- 0.62 0.030 / 0.030 G27 245.0 27.0 15.8 +/- 3.12 29.5 +/- 3.12 0.040 / 0.060 G31 183.7 11.1 6.8 +/- 33.03 18.6 +/- 33.03 0.040 / 0.060 G32 260.4 70.2 12.7 +/- 0.57 13.5 +/- 0.57 0.260 / 0.270