PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/12/22-15:58:10 G08 312.1 18.3 3.9 +/- 1.47 8.9 +/- 1.47 0.040 / 0.050 G10 323.9 58.7 5.3 +/- 0.56 6.1 +/- 0.56 0.040 / 0.050 G14 215.4 26.8 5.5 +/- 3.29 10.3 +/- 3.29 0.050 / 0.090 G15 46.1 15.4 5.3 +/- 2.06 13.0 +/- 2.06 0.060 / 0.090 G20 28.3 62.1 6.3 +/- 0.40 7.0 +/- 0.40 0.080 / 0.180 G21 129.4 57.9 8.2 +/- 0.80 9.5 +/- 0.80 0.080 / 0.200 G24 75.3 28.4 6.1 +/- 0.60 11.1 +/- 0.60 0.060 / 0.040 G27 284.5 36.7 5.4 +/- 1.15 8.4 +/- 1.15 0.050 / 0.060 G32 219.2 46.3 7.7 +/- 0.99 10.2 +/- 0.99 0.060 / 0.080