PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/10/18-23:27:50 G01 303.3 35.9 9.2 +/- 1.45 14.3 +/- 1.45 0.070 / 0.130 G10 110.4 36.3 11.5 +/- 0.80 17.8 +/- 0.80 0.090 / 0.170 G11 275.5 28.1 9.6 +/- 1.00 17.5 +/- 1.00 0.070 / 0.110 G14 5.7 64.9 8.7 +/- 0.77 9.5 +/- 0.77 0.070 / 0.090 G18 267.4 50.7 9.8 +/- 1.15 12.3 +/- 1.15 0.050 / 0.050 G20 123.0 10.9 11.5 +/- 1.45 31.3 +/- 1.45 0.040 / 0.050 G22 311.1 28.4 7.4 +/- 1.10 13.5 +/- 1.10 0.090 / 0.310 G25 74.5 16.7 8.2 +/- 1.28 19.6 +/- 1.28 0.090 / 0.320 G31 162.9 69.2 10.4 +/- 0.96 11.1 +/- 0.96 0.080 / 0.180 G32 41.2 49.0 8.4 +/- 0.39 10.8 +/- 0.39 0.070 / 0.160