PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/11/13-16:27:50 G10 248.9 25.8 7.8 +/- 1.04 14.9 +/- 1.04 0.030 / 0.050 G13 55.2 30.6 7.2 +/- 0.62 12.5 +/- 0.62 0.040 / 0.050 G15 94.9 58.9 8.4 +/- 0.67 9.7 +/- 0.67 0.140 / 0.590 G16 298.2 15.3 4.4 +/- 3.00 10.9 +/- 3.00 0.150 / 0.620 G20 267.3 49.6 7.8 +/- 1.10 9.9 +/- 1.10 0.060 / 0.180 G21 334.2 60.1 7.3 +/- 0.63 8.3 +/- 0.63 0.060 / 0.140 G26 271.3 16.1 7.8 +/- 1.98 18.8 +/- 1.98 0.030 / 0.030 G29 163.3 51.6 7.7 +/- 1.28 9.5 +/- 1.28 0.050 / 0.060