PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/08/22-01:43:00 G08 276.5 22.0 7.9 +/- 2.40 16.6 +/- 2.40 0.100 / 0.210 G10 39.8 61.7 7.9 +/- 0.46 8.9 +/- 0.46 0.110 / 0.170 G14 246.1 57.7 9.2 +/- 0.94 10.7 +/- 0.94 0.090 / 0.160 G18 316.3 22.6 5.0 +/- 3.82 10.3 +/- 3.82 0.100 / 0.200 G20 25.8 68.2 27.9 +/- 0.74 29.8 +/- 0.74 0.030 / 0.030 G21 152.6 27.1 8.4 +/- 1.06 15.7 +/- 1.06 0.030 / 0.040 G24 44.1 16.2 6.1 +/- 0.85 14.7 +/- 0.85 0.120 / 0.300 G27 240.7 23.2 6.6 +/- 1.73 13.5 +/- 1.73 0.110 / 0.260 G31 179.0 21.2 9.3 +/- 1.67 19.8 +/- 1.67 0.040 / 0.080 G32 300.7 76.9 8.5 +/- 0.90 8.7 +/- 0.90 0.040 / 0.070