PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/04/02-14:43:00 G01 248.1 33.7 8.4 +/- 1.02 13.6 +/- 1.02 0.050 / 0.110 G03 314.9 50.3 6.2 +/- 0.86 7.8 +/- 0.86 0.050 / 0.090 G11 237.1 11.1 7.8 +/- 2.45 21.1 +/- 2.45 0.110 / 0.620 G14 61.0 41.6 6.9 +/- 0.66 9.7 +/- 0.66 0.110 / 0.440 G18 219.7 25.6 8.0 +/- 1.32 15.4 +/- 1.32 0.100 / 0.230 G22 295.7 72.6 7.8 +/- 0.45 8.1 +/- 0.45 0.120 / 0.170 G23 290.3 24.0 4.3 +/- 7.66 8.6 +/- 7.66 0.040 / 0.040 G26 131.6 40.9 11.5 +/- 1.23 16.5 +/- 1.23 0.030 / 0.040 G31 40.8 53.7 6.5 +/- 0.68 7.9 +/- 0.68 0.090 / 0.100 G32 80.4 19.9 7.4 +/- 1.03 16.4 +/- 1.03 0.060 / 0.070