PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/11/30-15:42:50 G10 258.9 33.5 9.6 +/- 2.38 15.6 +/- 2.38 0.130 / 0.330 G13 46.3 23.8 4.7 +/- 1.01 9.4 +/- 1.01 0.120 / 0.360 G15 71.8 55.5 6.8 +/- 0.45 8.1 +/- 0.45 0.180 / 0.370 G16 287.9 14.1 5.9 +/- 1.44 15.1 +/- 1.44 0.170 / 0.400 G20 283.5 56.4 8.6 +/- 1.20 10.1 +/- 1.20 0.120 / 0.410 G21 352.6 67.9 5.3 +/- 1.01 5.7 +/- 1.01 0.130 / 0.360 G24 122.8 10.1 -15.6 +/- 23.44 -43.5 +/- 23.44 0.060 / 0.040 G26 261.8 11.6 7.1 +/- 2.89 19.1 +/- 2.89 0.060 / 0.040 G27 322.3 10.5 -13.5 +/- 19.58 -37.3 +/- 19.58 0.060 / 0.090 G29 165.8 38.8 9.9 +/- 0.79 14.7 +/- 0.79 0.050 / 0.090