PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/12/10-20:42:40 G01 305.7 34.1 7.1 +/- 1.97 11.4 +/- 1.97 0.120 / 0.180 G10 107.5 39.5 8.9 +/- 0.84 13.1 +/- 0.84 0.070 / 0.150 G11 280.7 28.2 7.2 +/- 0.93 13.2 +/- 0.93 0.030 / 0.030 G14 1.0 66.0 8.1 +/- 0.57 8.7 +/- 0.57 0.030 / 0.030 G18 118.6 11.8 10.6 +/- 4.00 28.4 +/- 4.00 0.070 / 0.110 G22 310.0 26.4 8.6 +/- 2.05 16.3 +/- 2.05 0.100 / 0.130 G25 80.2 17.0 8.6 +/- 2.62 20.3 +/- 2.62 0.030 / 0.030 G31 169.4 65.3 11.1 +/- 0.36 12.1 +/- 0.36 0.030 / 0.040 G32 36.7 52.2 7.8 +/- 1.03 9.6 +/- 1.03 0.060 / 0.120