PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/06/04-01:43:10 G05 47.0 20.9 6.8 +/- 1.07 14.7 +/- 1.07 0.040 / 0.090 G13 82.6 35.4 10.0 +/- 0.70 15.8 +/- 0.70 0.050 / 0.100 G15 130.9 48.5 13.3 +/- 1.58 17.1 +/- 1.58 0.040 / 0.130 G20 243.1 32.4 15.8 +/- 1.08 26.4 +/- 1.08 0.050 / 0.140 G21 308.2 43.3 10.4 +/- 1.19 14.3 +/- 1.19 0.100 / 0.240 G25 202.5 16.2 13.6 +/- 2.85 32.9 +/- 2.85 0.090 / 0.210 G26 295.1 19.7 10.5 +/- 2.37 23.2 +/- 2.37 0.060 / 0.160 G29 143.3 76.7 10.3 +/- 0.39 10.5 +/- 0.39 0.060 / 0.150