PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/12/11-19:43:00 G01 305.0 35.0 10.7 +/- 0.97 17.0 +/- 0.97 0.090 / 0.110 G10 108.7 37.4 12.5 +/- 0.93 19.0 +/- 0.93 0.060 / 0.100 G11 277.3 28.3 9.4 +/- 1.24 17.1 +/- 1.24 0.050 / 0.070 G14 3.8 65.5 9.7 +/- 0.69 10.5 +/- 0.69 0.050 / 0.070 G18 268.3 51.3 13.7 +/- 0.88 17.0 +/- 0.88 0.040 / 0.050 G20 122.1 12.1 14.6 +/- 1.77 39.0 +/- 1.77 0.040 / 0.050 G22 310.7 27.4 8.9 +/- 1.19 16.5 +/- 1.19 0.090 / 0.150 G25 73.7 15.7 8.9 +/- 1.03 21.8 +/- 1.03 0.100 / 0.160 G31 170.9 65.0 13.0 +/- 0.95 14.2 +/- 0.95 0.070 / 0.140 G32 38.0 51.3 10.3 +/- 0.27 12.7 +/- 0.27 0.080 / 0.140