PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/06/11-06:12:50 G08 264.5 16.4 8.6 +/- 1.97 20.6 +/- 1.97 0.170 / 0.510 G10 70.7 55.1 6.1 +/- 0.44 7.2 +/- 0.44 0.170 / 0.420 G11 308.2 19.9 4.0 +/- 1.24 8.9 +/- 1.24 0.040 / 0.030 G14 277.7 68.9 6.8 +/- 0.70 7.2 +/- 0.70 0.030 / 0.040 G18 309.3 36.8 4.8 +/- 1.23 7.3 +/- 1.23 0.250 / 0.440 G20 99.9 33.5 6.4 +/- 0.95 10.5 +/- 0.95 0.260 / 0.490 G21 155.7 11.1 5.2 +/- 3.67 14.2 +/- 3.67 0.040 / 0.040 G27 229.3 13.4 6.3 +/- 2.24 16.2 +/- 2.24 0.040 / 0.050 G31 176.6 35.7 6.5 +/- 1.30 10.2 +/- 1.30 0.290 / 0.300 G32 343.8 72.8 5.7 +/- 0.43 5.9 +/- 0.43 0.250 / 0.440