PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/12/24-20:42:50 G01 273.6 41.1 10.9 +/- 2.09 15.6 +/- 2.09 0.060 / 0.050 G03 315.4 28.0 9.2 +/- 2.20 16.8 +/- 2.20 0.070 / 0.060 G10 128.5 19.1 13.5 +/- 1.10 30.4 +/- 1.10 0.020 / 0.020 G11 253.3 21.6 12.2 +/- 1.64 25.9 +/- 1.64 0.030 / 0.020 G14 41.0 51.3 10.3 +/- 0.59 12.8 +/- 0.59 0.160 / 0.150 G22 314.3 49.4 9.8 +/- 1.30 12.4 +/- 1.30 0.170 / 0.180 G25 54.1 17.3 9.3 +/- 3.61 21.7 +/- 3.61 0.060 / 0.050 G26 150.5 22.7 14.7 +/- 1.81 30.3 +/- 1.81 0.050 / 0.050 G31 62.9 77.3 10.8 +/- 0.56 11.0 +/- 0.56 0.060 / 0.100 G32 62.1 34.3 9.5 +/- 1.41 15.3 +/- 1.41 0.060 / 0.060