PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/08/14-23:12:40 G10 262.1 35.3 11.5 +/- 1.65 18.2 +/- 1.65 0.140 / 0.340 G13 44.3 21.6 7.5 +/- 1.04 15.9 +/- 1.04 0.140 / 0.350 G15 68.3 54.9 8.8 +/- 0.37 10.5 +/- 0.37 0.070 / 0.050 G16 281.7 13.8 9.0 +/- 1.41 23.1 +/- 1.41 0.060 / 0.050 G20 265.4 30.1 7.4 +/- 1.09 13.0 +/- 1.09 0.120 / 0.310 G21 350.1 68.2 8.5 +/- 1.11 9.1 +/- 1.11 0.150 / 0.350 G24 122.7 11.6 11.7 +/- 2.30 31.5 +/- 2.30 0.080 / 0.260 G27 320.6 14.9 6.7 +/- 2.76 16.7 +/- 2.76 0.070 / 0.250 G29 167.8 37.4 10.9 +/- 1.38 16.5 +/- 1.38 0.100 / 0.370