PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/06/06-07:27:50 G08 266.6 16.8 8.7 +/- 2.22 20.8 +/- 2.22 0.040 / 0.060 G10 66.2 57.3 3.7 +/- 0.46 4.4 +/- 0.46 0.040 / 0.060 G11 310.2 18.3 4.8 +/- 1.23 11.1 +/- 1.23 0.120 / 0.430 G14 267.4 64.2 4.5 +/- 0.79 5.0 +/- 0.79 0.080 / 0.390 G18 311.1 33.4 6.0 +/- 2.72 9.8 +/- 2.72 0.130 / 0.400 G20 101.4 26.6 5.7 +/- 2.19 10.8 +/- 2.19 0.150 / 0.440 G21 155.3 13.2 5.5 +/- 6.02 14.2 +/- 6.02 0.030 / 0.030 G31 176.0 35.2 7.6 +/- 0.88 12.1 +/- 0.88 0.030 / 0.030 G32 354.1 72.0 4.8 +/- 0.42 5.1 +/- 0.42 0.050 / 0.120