PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/10/05-19:28:00 G10 257.0 31.9 12.5 +/- 3.49 21.0 +/- 3.49 0.050 / 0.050 G13 47.6 25.2 9.6 +/- 0.91 18.7 +/- 0.91 0.040 / 0.050 G15 78.9 58.2 10.4 +/- 0.59 12.1 +/- 0.59 0.060 / 0.190 G16 288.3 14.8 9.6 +/- 2.81 24.0 +/- 2.81 0.060 / 0.190 G20 280.2 55.2 11.4 +/- 0.76 13.5 +/- 0.76 0.030 / 0.040 G21 344.7 65.4 8.7 +/- 0.96 9.4 +/- 0.96 0.030 / 0.040 G26 261.6 12.5 10.1 +/- 1.65 26.7 +/- 1.65 0.120 / 0.400 G29 166.3 42.3 12.2 +/- 1.28 17.1 +/- 1.28 0.120 / 0.370