PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/07/03-03:13:10 G10 298.1 52.0 10.6 +/- 1.14 13.0 +/- 1.14 0.060 / 0.100 G15 46.3 29.3 6.0 +/- 0.75 10.7 +/- 0.75 0.060 / 0.090 G20 336.5 64.4 10.4 +/- 0.95 11.4 +/- 0.95 0.080 / 0.140 G21 96.2 74.6 10.1 +/- 0.56 10.5 +/- 0.56 0.080 / 0.170 G24 96.0 26.6 11.6 +/- 0.85 21.9 +/- 0.85 0.040 / 0.040 G27 299.9 34.5 10.0 +/- 1.53 16.0 +/- 1.53 0.050 / 0.050 G32 210.5 34.3 14.0 +/- 2.27 22.5 +/- 2.27 0.040 / 0.040