PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/06/12-04:58:10 G08 319.2 12.2 7.0 +/- 2.96 18.6 +/- 2.96 0.050 / 0.080 G10 311.5 55.9 6.7 +/- 0.68 7.9 +/- 0.68 0.050 / 0.080 G14 213.6 16.7 9.2 +/- 1.37 21.9 +/- 1.37 0.040 / 0.040 G15 45.6 21.0 3.9 +/- 1.52 8.4 +/- 1.52 0.040 / 0.040 G20 26.3 62.0 6.7 +/- 0.56 7.5 +/- 0.56 0.120 / 0.300 G21 118.4 68.2 8.5 +/- 1.02 9.1 +/- 1.02 0.130 / 0.300 G24 86.6 29.0 6.2 +/- 0.60 11.0 +/- 0.60 0.040 / 0.040 G27 289.5 37.1 8.2 +/- 1.13 12.6 +/- 1.13 0.040 / 0.040 G32 214.9 42.9 11.4 +/- 0.86 15.8 +/- 0.86 0.150 / 0.250