PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/03/27-15:42:40 G03 223.0 66.7 10.7 +/- 1.34 11.5 +/- 1.34 0.280 / 0.230 G07 250.0 12.7 9.5 +/- 2.03 24.9 +/- 2.03 0.190 / 0.250 G09 303.9 18.6 7.7 +/- 2.08 17.5 +/- 2.08 0.120 / 0.300 G14 101.1 12.5 9.0 +/- 2.93 23.7 +/- 2.93 0.130 / 0.390 G16 133.4 58.6 11.5 +/- 0.61 13.2 +/- 0.61 0.060 / 0.040 G22 189.4 50.6 12.6 +/- 1.69 15.7 +/- 1.69 0.060 / 0.040 G23 320.0 49.9 9.4 +/- 0.67 11.9 +/- 0.67 0.100 / 0.160 G26 71.1 53.5 8.9 +/- 0.58 10.8 +/- 0.58 0.090 / 0.150 G31 52.8 19.6 7.5 +/- 2.44 16.6 +/- 2.44 0.040 / 0.050