PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/10/10-20:12:30 G10 291.0 49.7 14.7 +/- 3.06 18.6 +/- 3.06 0.070 / 0.080 G15 48.0 36.2 13.0 +/- 1.02 20.1 +/- 1.02 0.070 / 0.090 G20 341.1 65.4 15.7 +/- 0.71 17.1 +/- 0.71 0.050 / 0.030 G21 80.7 75.9 16.1 +/- 0.83 16.5 +/- 0.83 0.050 / 0.040 G24 99.2 24.4 16.9 +/- 1.40 33.4 +/- 1.40 0.050 / 0.060 G27 306.3 31.0 14.5 +/- 1.02 24.9 +/- 1.02 0.070 / 0.080 G29 168.3 12.0 16.3 +/- 1.71 43.6 +/- 1.71 0.090 / 0.130 G32 208.6 28.1 17.5 +/- 2.07 31.9 +/- 2.07 0.080 / 0.130