PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/05/08-06:27:40 G08 317.2 14.3 2.7 +/- 1.03 6.9 +/- 1.03 0.060 / 0.080 G10 316.8 57.4 2.0 +/- 0.88 2.3 +/- 0.88 0.050 / 0.090 G14 213.3 22.4 5.3 +/- 2.57 11.0 +/- 2.57 0.050 / 0.030 G15 45.7 17.1 2.8 +/- 0.43 6.6 +/- 0.43 0.050 / 0.040 G20 18.8 63.4 3.1 +/- 0.62 3.4 +/- 0.62 0.040 / 0.050 G21 122.6 64.6 2.9 +/- 0.96 3.1 +/- 0.96 0.030 / 0.040 G24 84.3 29.4 4.3 +/- 0.49 7.7 +/- 0.49 0.080 / 0.300 G27 288.9 37.0 3.2 +/- 1.26 4.8 +/- 1.26 0.110 / 0.270 G32 216.4 38.9 4.8 +/- 1.07 7.0 +/- 1.07 0.060 / 0.110