PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/03/02-16:58:00 G01 222.3 13.5 12.8 +/- 3.92 32.9 +/- 3.92 0.040 / 0.050 G03 265.2 71.5 9.9 +/- 0.65 10.4 +/- 0.65 0.040 / 0.040 G09 296.8 10.4 -10.3 +/- 32.85 -28.4 +/- 32.85 0.100 / 0.270 G14 91.2 20.2 9.2 +/- 1.65 20.1 +/- 1.65 0.110 / 0.220 G16 148.3 47.3 12.0 +/- 0.96 15.6 +/- 0.96 0.040 / 0.050 G22 201.0 64.5 10.7 +/- 0.89 11.7 +/- 0.89 0.030 / 0.050 G23 310.4 39.9 8.9 +/- 1.53 13.0 +/- 1.53 0.060 / 0.110 G26 96.2 56.5 9.8 +/- 0.69 11.5 +/- 0.69 0.060 / 0.090 G31 46.6 30.4 7.4 +/- 0.79 12.8 +/- 0.79 0.240 / 0.380