PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/06/09-05:13:10 G08 318.5 12.8 6.5 +/- 1.76 17.1 +/- 1.76 0.050 / 0.070 G10 313.5 56.4 3.7 +/- 0.72 4.3 +/- 0.72 0.060 / 0.090 G14 214.1 17.7 5.7 +/- 1.13 13.4 +/- 1.13 0.030 / 0.050 G15 45.7 19.8 2.5 +/- 0.92 5.4 +/- 0.92 0.030 / 0.040 G20 32.1 60.5 5.1 +/- 0.58 5.8 +/- 0.58 0.100 / 0.270 G21 120.7 67.1 5.4 +/- 0.64 5.8 +/- 0.64 0.110 / 0.350 G24 85.2 29.3 3.3 +/- 0.72 5.9 +/- 0.72 0.160 / 0.250 G27 287.9 37.4 5.8 +/- 1.22 8.8 +/- 1.22 0.210 / 0.270 G32 215.6 44.2 6.9 +/- 0.85 9.4 +/- 0.85 0.070 / 0.110