PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/06/06-03:58:00 G10 261.5 34.7 11.7 +/- 1.53 18.7 +/- 1.53 0.140 / 0.420 G13 44.8 22.4 6.3 +/- 2.66 13.2 +/- 2.66 0.130 / 0.360 G15 66.3 53.0 8.6 +/- 0.46 10.5 +/- 0.46 0.040 / 0.030 G16 283.1 13.7 10.7 +/- 1.57 27.4 +/- 1.57 0.040 / 0.040 G20 302.5 64.4 9.0 +/- 0.45 9.9 +/- 0.45 0.130 / 0.220 G21 350.0 68.0 9.8 +/- 0.64 10.4 +/- 0.64 0.140 / 0.250 G24 124.2 11.1 7.1 +/- 3.25 19.2 +/- 3.25 0.170 / 0.170 G27 320.6 14.8 7.7 +/- 1.76 19.2 +/- 1.76 0.370 / 0.240 G29 167.7 37.6 10.0 +/- 1.30 15.1 +/- 1.30 0.170 / 0.310