PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/07/26-01:57:30 G08 318.3 13.3 6.4 +/- 1.13 16.5 +/- 1.13 0.050 / 0.070 G10 310.9 55.8 7.5 +/- 0.60 8.9 +/- 0.60 0.050 / 0.080 G14 213.1 17.8 11.2 +/- 1.35 26.1 +/- 1.35 0.110 / 0.370 G15 45.7 23.0 5.2 +/- 0.69 10.7 +/- 0.69 0.130 / 0.460 G20 324.9 60.9 8.6 +/- 0.40 9.7 +/- 0.40 0.030 / 0.050 G21 117.3 68.8 7.5 +/- 0.86 8.0 +/- 0.86 0.040 / 0.050 G24 86.4 28.8 7.1 +/- 0.69 12.7 +/- 0.69 0.070 / 0.130 G27 290.4 36.9 8.9 +/- 1.08 13.7 +/- 1.08 0.070 / 0.130 G32 214.5 42.5 11.5 +/- 1.04 16.1 +/- 1.04 0.030 / 0.050