PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/03/29-15:28:00 G03 229.9 68.9 8.4 +/- 0.41 8.9 +/- 0.41 0.060 / 0.400 G07 247.8 10.8 -5.5 +/- 11.94 -15.2 +/- 11.94 0.090 / 0.280 G09 302.2 16.3 6.5 +/- 1.77 15.5 +/- 1.77 0.190 / 0.280 G14 98.7 14.5 8.0 +/- 1.84 20.1 +/- 1.84 0.240 / 0.280 G16 137.9 56.0 10.2 +/- 0.99 12.0 +/- 0.99 0.130 / 0.360 G22 190.7 53.7 8.7 +/- 0.84 10.5 +/- 0.84 0.160 / 0.480 G23 317.7 47.5 6.8 +/- 0.46 8.9 +/- 0.46 0.040 / 0.040 G26 76.1 54.6 7.5 +/- 0.98 8.9 +/- 0.98 0.050 / 0.040 G31 51.2 21.9 6.5 +/- 2.91 13.6 +/- 2.91 0.040 / 0.060