PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/02/25-14:43:00 G01 299.6 38.0 6.1 +/- 1.96 9.2 +/- 1.96 0.120 / 0.090 G03 309.6 13.4 -4.4 +/- 25.66 -11.4 +/- 25.66 0.050 / 0.070 G10 113.5 33.4 7.7 +/- 0.60 12.5 +/- 0.60 0.070 / 0.050 G11 271.6 27.5 4.9 +/- 1.43 9.1 +/- 1.43 0.060 / 0.050 G14 14.1 62.6 5.5 +/- 0.80 6.1 +/- 0.80 0.060 / 0.080 G18 258.9 50.6 6.6 +/- 8.21 8.2 +/- 8.21 0.050 / 0.080 G22 312.9 34.4 3.1 +/- 1.29 4.9 +/- 1.29 0.030 / 0.040 G25 72.0 17.2 6.7 +/- 1.27 15.8 +/- 1.27 0.040 / 0.030 G31 164.3 70.9 7.0 +/- 0.41 7.4 +/- 0.41 0.050 / 0.040 G32 40.5 50.0 5.2 +/- 1.66 6.6 +/- 1.66 0.050 / 0.070