PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/04/08-10:27:50 G08 265.4 17.8 5.8 +/- 1.83 13.4 +/- 1.83 0.260 / 0.260 G10 64.9 56.9 5.5 +/- 0.68 6.4 +/- 0.68 0.220 / 0.360 G11 310.0 18.7 2.5 +/- 3.61 5.6 +/- 3.61 0.030 / 0.030 G14 270.9 67.9 8.0 +/- 0.65 8.6 +/- 0.65 0.030 / 0.020 G18 310.8 35.2 5.7 +/- 1.09 9.1 +/- 1.09 0.030 / 0.020 G20 97.0 35.4 5.8 +/- 0.65 9.1 +/- 0.65 0.030 / 0.020 G21 154.6 12.1 3.1 +/- 2.37 8.2 +/- 2.37 0.040 / 0.060 G27 232.3 15.6 5.5 +/- 1.95 13.4 +/- 1.95 0.040 / 0.050 G31 178.8 30.7 7.4 +/- 1.79 12.7 +/- 1.79 0.270 / 0.260 G32 322.1 74.0 7.1 +/- 1.02 7.3 +/- 1.02 0.220 / 0.260