PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/09/09-03:27:50 G01 258.4 38.4 7.8 +/- 2.37 11.7 +/- 2.37 0.070 / 0.040 G03 316.5 36.8 5.0 +/- 0.63 7.7 +/- 0.63 0.050 / 0.040 G11 241.3 15.2 8.0 +/- 1.77 19.7 +/- 1.77 0.060 / 0.070 G14 52.9 45.3 6.7 +/- 0.93 9.0 +/- 0.93 0.050 / 0.060 G18 224.5 31.9 9.0 +/- 1.27 15.1 +/- 1.27 0.160 / 0.300 G22 310.4 59.9 5.3 +/- 1.08 6.0 +/- 1.08 0.090 / 0.320 G25 43.1 12.0 4.6 +/- 1.80 12.2 +/- 1.80 0.080 / 0.100 G26 140.2 33.4 -20.3 +/- 29.64 -33.1 +/- 29.64 0.060 / 0.090 G31 43.7 63.7 4.8 +/- 0.50 5.3 +/- 0.50 0.130 / 0.200 G32 72.7 25.6 6.0 +/- 1.61 11.6 +/- 1.61 0.180 / 0.220