PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/02/11-20:43:00 G03 197.4 40.0 10.9 +/- 1.90 15.9 +/- 1.90 0.060 / 0.130 G07 270.4 24.9 11.1 +/- 1.84 21.8 +/- 1.84 0.100 / 0.160 G08 156.5 10.3 -10.1 +/- 38.12 -28.0 +/- 38.12 0.080 / 0.210 G09 317.0 41.1 10.1 +/- 1.20 14.5 +/- 1.20 0.150 / 0.200 G16 59.7 58.8 8.9 +/- 0.54 10.2 +/- 0.54 0.250 / 0.420 G22 182.6 24.6 9.1 +/- 1.34 17.9 +/- 1.34 0.230 / 0.390 G23 354.9 75.3 9.0 +/- 0.56 9.3 +/- 0.56 0.090 / 0.130 G26 44.6 29.5 6.3 +/- 1.69 11.2 +/- 1.69 0.090 / 0.160 G27 120.2 22.0 12.3 +/- 1.08 25.8 +/- 1.08 0.060 / 0.080