PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/06/01-04:43:10 G10 273.8 41.9 10.7 +/- 1.17 15.1 +/- 1.17 0.050 / 0.040 G13 39.5 13.6 3.6 +/- 1.16 9.2 +/- 1.16 0.040 / 0.080 G15 53.8 44.3 6.9 +/- 1.02 9.4 +/- 1.02 0.060 / 0.110 G20 339.2 67.3 7.2 +/- 0.68 7.7 +/- 0.68 0.080 / 0.160 G21 18.6 75.1 9.9 +/- 0.88 10.2 +/- 0.88 0.110 / 0.310 G24 114.7 17.8 7.4 +/- 1.00 17.2 +/- 1.00 0.100 / 0.290 G27 315.3 23.7 6.3 +/- 1.59 12.7 +/- 1.59 0.090 / 0.260 G29 168.8 25.4 9.0 +/- 1.03 17.3 +/- 1.03 0.080 / 0.240 G32 204.9 16.4 13.4 +/- 4.54 32.2 +/- 4.54 0.040 / 0.060