PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/10/26-17:12:40 G05 49.9 16.5 8.6 +/- 2.01 20.7 +/- 2.01 0.100 / 0.380 G10 239.2 16.3 12.0 +/- 2.03 29.0 +/- 2.03 0.120 / 0.390 G13 69.5 35.4 9.9 +/- 1.16 15.6 +/- 1.16 0.060 / 0.060 G15 122.5 54.9 10.8 +/- 0.73 12.9 +/- 0.73 0.060 / 0.060 G16 310.1 13.8 7.5 +/- 1.54 19.2 +/- 1.54 0.110 / 0.120 G20 252.6 40.5 12.3 +/- 2.04 17.8 +/- 2.04 0.070 / 0.270 G21 318.9 50.9 10.0 +/- 0.73 12.4 +/- 0.73 0.100 / 0.120 G26 283.4 19.5 8.8 +/- 1.26 19.6 +/- 1.26 0.090 / 0.090 G29 158.0 66.9 11.9 +/- 0.25 12.8 +/- 0.25 0.030 / 0.040