PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/06/04-21:28:10 G02 293.3 81.3 11.9 +/- 0.55 12.0 +/- 0.55 0.080 / 0.150 G05 167.1 25.7 20.0 +/- 1.54 38.5 +/- 1.54 0.120 / 0.140 G06 39.4 49.5 10.1 +/- 0.64 12.8 +/- 0.64 0.040 / 0.050 G12 319.4 59.7 10.3 +/- 0.88 11.7 +/- 0.88 0.030 / 0.050 G17 78.3 17.0 10.1 +/- 0.69 23.8 +/- 0.69 0.110 / 0.320 G19 67.0 31.5 10.1 +/- 0.75 17.1 +/- 0.75 0.120 / 0.310 G24 235.2 28.4 16.6 +/- 1.43 30.0 +/- 1.43 0.040 / 0.040 G25 317.4 20.7 10.7 +/- 1.80 23.0 +/- 1.80 0.030 / 0.040