PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/03/22-15:42:40 G01 220.1 11.4 7.8 +/- 2.42 21.0 +/- 2.42 0.250 / 0.430 G03 250.5 71.7 6.5 +/- 1.00 6.8 +/- 1.00 0.190 / 0.430 G09 298.6 12.1 4.0 +/- 15.25 10.6 +/- 15.25 0.040 / 0.030 G14 93.7 18.3 6.9 +/- 1.65 15.7 +/- 1.65 0.040 / 0.030 G16 145.9 50.1 8.7 +/- 0.55 11.0 +/- 0.55 0.320 / 0.520 G22 195.5 60.5 9.0 +/- 0.25 10.1 +/- 0.25 0.410 / 0.280 G23 313.0 42.7 6.9 +/- 0.89 9.6 +/- 0.89 0.110 / 0.250 G26 88.3 56.1 7.5 +/- 0.62 8.8 +/- 0.62 0.130 / 0.260 G31 48.3 27.0 4.4 +/- 2.90 8.1 +/- 2.90 0.040 / 0.040