PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/11/14-15:58:10 G02 83.0 13.3 8.8 +/- 1.88 22.8 +/- 1.88 0.050 / 0.070 G05 44.6 35.5 7.3 +/- 0.85 11.5 +/- 0.85 0.040 / 0.070 G13 102.5 32.9 10.9 +/- 0.63 18.0 +/- 0.63 0.070 / 0.110 G15 144.8 36.9 13.1 +/- 1.34 20.0 +/- 1.34 0.080 / 0.100 G18 230.4 27.2 10.9 +/- 2.19 20.3 +/- 2.19 0.090 / 0.250 G20 311.4 85.0 9.2 +/- 0.60 9.2 +/- 0.60 0.080 / 0.210 G21 297.4 37.9 9.0 +/- 1.75 13.5 +/- 1.75 0.040 / 0.030 G25 209.2 26.7 11.7 +/- 1.85 21.9 +/- 1.85 0.040 / 0.030 G26 310.1 15.7 5.7 +/- 1.82 13.8 +/- 1.82 0.040 / 0.100 G29 78.0 85.0 10.1 +/- 0.38 10.2 +/- 0.38 0.050 / 0.110