PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/06/07-01:13:10 G02 66.4 27.1 10.6 +/- 1.10 19.7 +/- 1.10 0.060 / 0.180 G05 49.3 52.4 11.0 +/- 0.60 13.5 +/- 0.60 0.060 / 0.210 G12 182.3 23.1 17.3 +/- 4.68 35.4 +/- 4.68 0.080 / 0.250 G13 121.4 20.8 18.5 +/- 1.41 39.9 +/- 1.41 0.090 / 0.240 G15 159.8 18.5 20.9 +/- 2.08 47.7 +/- 2.08 0.070 / 0.160 G20 222.7 11.8 5.4 +/- 41.30 14.5 +/- 41.30 0.070 / 0.210 G21 277.8 21.8 13.0 +/- 1.27 27.5 +/- 1.27 0.030 / 0.040 G25 226.7 45.6 16.3 +/- 1.98 21.8 +/- 1.98 0.030 / 0.040 G29 332.9 61.8 14.0 +/- 0.87 15.7 +/- 0.87 0.050 / 0.080