PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/11/11-17:57:40 G10 288.6 48.9 10.6 +/- 1.18 13.5 +/- 1.18 0.110 / 0.120 G15 48.2 36.3 7.4 +/- 0.81 11.4 +/- 0.81 0.080 / 0.120 G20 336.9 65.2 8.8 +/- 0.83 9.5 +/- 0.83 0.050 / 0.040 G21 77.1 75.7 11.7 +/- 0.95 12.1 +/- 0.95 0.040 / 0.040 G24 100.1 23.6 11.5 +/- 1.64 23.2 +/- 1.64 0.070 / 0.170 G27 308.3 29.6 10.4 +/- 1.59 18.3 +/- 1.59 0.070 / 0.150 G29 168.0 13.0 15.2 +/- 1.12 39.7 +/- 1.12 0.050 / 0.080 G32 208.1 25.7 13.5 +/- 1.00 25.9 +/- 1.00 0.040 / 0.080