PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/06/23-03:12:50 G08 320.2 11.4 0.5 +/- 22.88 1.3 +/- 22.88 0.030 / 0.040 G10 311.9 56.4 7.4 +/- 0.73 8.6 +/- 0.73 0.030 / 0.050 G14 212.2 19.0 9.1 +/- 2.56 20.5 +/- 2.56 0.060 / 0.080 G15 45.5 20.0 4.3 +/- 0.80 9.4 +/- 0.80 0.060 / 0.080 G20 11.3 64.2 6.7 +/- 0.45 7.3 +/- 0.45 0.030 / 0.030 G21 116.6 68.5 8.2 +/- 0.33 8.8 +/- 0.33 0.040 / 0.040 G24 88.8 29.0 5.3 +/- 1.04 9.5 +/- 1.04 0.140 / 0.610 G27 292.2 36.7 6.8 +/- 1.15 10.5 +/- 1.15 0.120 / 0.550 G32 214.4 37.8 10.5 +/- 1.26 15.9 +/- 1.26 0.140 / 0.310