PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/06/23-05:27:50 G01 320.2 15.3 -19.5 +/- 18.41 -48.3 +/- 18.41 0.180 / 0.310 G08 263.3 15.5 6.1 +/- 3.24 14.9 +/- 3.24 0.150 / 0.380 G10 73.8 54.2 3.6 +/- 1.20 4.4 +/- 1.20 0.030 / 0.040 G11 306.8 20.8 1.8 +/- 2.79 3.8 +/- 2.79 0.030 / 0.030 G14 282.5 69.5 5.6 +/- 0.83 5.9 +/- 0.83 0.130 / 0.250 G18 308.0 38.1 2.4 +/- 0.99 3.6 +/- 0.99 0.060 / 0.050 G20 101.6 32.3 3.8 +/- 1.43 6.4 +/- 1.43 0.040 / 0.050 G27 227.8 12.1 4.5 +/- 3.60 11.9 +/- 3.60 0.200 / 0.280 G31 176.0 37.9 4.8 +/- 0.84 7.3 +/- 0.84 0.150 / 0.280 G32 350.9 71.6 4.1 +/- 0.81 4.3 +/- 0.81 0.050 / 0.110