PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/06/09-01:28:10 G05 47.7 18.9 9.3 +/- 0.78 21.0 +/- 0.78 0.040 / 0.100 G10 233.8 11.0 -4.2 +/- 42.58 -11.6 +/- 42.58 0.040 / 0.100 G13 79.4 35.6 12.2 +/- 0.76 19.2 +/- 0.76 0.200 / 0.400 G15 127.7 50.3 14.3 +/- 0.73 18.0 +/- 0.73 0.160 / 0.360 G20 245.2 34.2 16.1 +/- 0.77 25.8 +/- 0.77 0.210 / 0.320 G21 310.4 44.7 1.6 +/- 1.47 2.2 +/- 1.47 0.250 / 0.280 G25 201.3 14.2 13.6 +/- 0.99 34.4 +/- 0.99 0.060 / 0.150 G26 292.5 19.8 10.8 +/- 2.56 23.9 +/- 2.56 0.050 / 0.120 G29 147.4 74.2 13.0 +/- 0.83 13.4 +/- 0.83 0.040 / 0.060