PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/06/11-07:12:50 G08 264.1 15.8 8.1 +/- 3.40 19.7 +/- 3.40 0.120 / 0.420 G10 70.5 56.1 4.1 +/- 1.41 4.8 +/- 1.41 0.120 / 0.420 G11 308.3 19.7 6.2 +/- 2.49 13.7 +/- 2.49 0.180 / 0.460 G14 273.2 65.8 3.6 +/- 0.75 3.9 +/- 0.75 0.190 / 0.460 G18 309.5 35.5 4.2 +/- 1.75 6.6 +/- 1.75 0.110 / 0.300 G20 102.5 27.6 4.6 +/- 1.20 8.6 +/- 1.20 0.110 / 0.360 G21 155.6 10.9 4.8 +/- 2.71 13.2 +/- 2.71 0.050 / 0.050 G27 227.8 12.3 6.2 +/- 9.07 16.5 +/- 9.07 0.060 / 0.060 G31 175.4 37.8 8.4 +/- 1.44 12.7 +/- 1.44 0.170 / 0.320 G32 0.3 70.3 4.9 +/- 0.95 5.1 +/- 0.95 0.150 / 0.400