PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/02/26-15:12:30 G01 309.9 30.9 6.9 +/- 1.38 11.9 +/- 1.38 0.030 / 0.040 G10 102.3 42.8 6.2 +/- 0.39 8.7 +/- 0.39 0.030 / 0.040 G11 288.9 26.5 6.7 +/- 1.83 12.7 +/- 1.83 0.100 / 0.180 G14 343.5 68.7 5.6 +/- 0.50 6.0 +/- 0.50 0.080 / 0.150 G22 308.8 24.9 6.5 +/- 1.54 12.7 +/- 1.54 0.070 / 0.160 G25 86.3 15.7 7.4 +/- 1.35 18.0 +/- 1.35 0.070 / 0.170 G31 167.9 62.0 7.7 +/- 0.50 8.6 +/- 0.50 0.040 / 0.050 G32 33.4 54.2 5.3 +/- 0.47 6.4 +/- 0.47 0.040 / 0.050