PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/04/27-11:43:10 G01 293.2 39.5 11.8 +/- 4.20 17.3 +/- 4.20 0.110 / 0.220 G03 311.8 17.8 5.7 +/- 1.53 13.2 +/- 1.53 0.100 / 0.190 G10 118.3 30.3 5.7 +/- 1.60 10.0 +/- 1.60 0.050 / 0.050 G11 268.8 26.1 6.1 +/- 2.15 11.7 +/- 2.15 0.060 / 0.050 G14 14.1 62.1 5.6 +/- 0.99 6.2 +/- 0.99 0.140 / 0.100 G18 257.0 48.0 7.1 +/- 9.17 9.1 +/- 9.17 0.230 / 0.090 G25 69.4 19.1 3.2 +/- 1.42 7.2 +/- 1.42 0.100 / 0.340 G26 156.1 12.8 3.8 +/- 12.72 10.0 +/- 12.72 0.080 / 0.390 G31 125.9 78.2 7.6 +/- 0.57 7.7 +/- 0.57 0.080 / 0.040 G32 50.7 41.8 3.8 +/- 1.06 5.4 +/- 1.06 0.060 / 0.050