PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/08/29-04:58:10 G03 247.8 69.6 6.7 +/- 0.68 7.1 +/- 0.68 0.110 / 0.340 G09 301.8 16.6 3.7 +/- 1.43 9.0 +/- 1.43 0.130 / 0.340 G14 96.6 17.6 3.8 +/- 0.99 8.8 +/- 0.99 0.040 / 0.040 G16 128.5 56.6 6.1 +/- 0.63 7.1 +/- 0.63 0.040 / 0.050 G22 200.1 58.7 6.7 +/- 0.62 7.7 +/- 0.62 0.040 / 0.080 G23 319.3 49.4 4.8 +/- 0.63 6.1 +/- 0.63 0.040 / 0.060 G26 72.9 52.2 5.0 +/- 0.75 6.1 +/- 0.75 0.070 / 0.070 G31 51.6 19.9 1.3 +/- 0.54 2.8 +/- 0.54 0.040 / 0.060