PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/11/11-18:57:40 G08 308.0 20.3 8.3 +/- 1.72 18.0 +/- 1.72 0.030 / 0.040 G10 333.1 60.2 10.2 +/- 0.78 11.6 +/- 0.78 0.040 / 0.040 G14 218.0 31.1 11.5 +/- 2.90 19.7 +/- 2.90 0.130 / 0.150 G15 46.9 12.7 7.1 +/- 2.01 18.7 +/- 2.01 0.120 / 0.170 G20 38.0 60.3 10.8 +/- 0.63 12.3 +/- 0.63 0.140 / 0.300 G21 134.5 55.2 13.3 +/- 0.60 15.8 +/- 0.60 0.140 / 0.290 G24 69.8 28.2 9.1 +/- 1.37 16.5 +/- 1.37 0.230 / 0.160 G27 277.1 36.9 11.2 +/- 2.16 17.1 +/- 2.16 0.140 / 0.170 G32 223.2 52.4 12.6 +/- 2.32 15.4 +/- 2.32 0.060 / 0.080