PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/05/30-03:43:00 G10 244.3 21.0 14.5 +/- 3.29 31.1 +/- 3.29 0.080 / 0.320 G13 61.5 33.7 10.3 +/- 1.62 16.8 +/- 1.62 0.100 / 0.320 G15 103.3 57.5 11.9 +/- 0.59 13.8 +/- 0.59 0.040 / 0.030 G16 302.4 15.5 10.2 +/- 2.46 25.1 +/- 2.46 0.040 / 0.190 G20 269.6 57.9 12.7 +/- 1.22 14.7 +/- 1.22 0.060 / 0.100 G21 324.2 54.4 11.7 +/- 0.50 14.0 +/- 0.50 0.060 / 0.100 G26 273.9 18.4 14.7 +/- 2.20 33.6 +/- 2.20 0.030 / 0.040 G29 162.8 59.6 10.5 +/- 0.57 12.0 +/- 0.57 0.030 / 0.030