PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/10/05-15:13:10 G02 22.3 63.0 5.9 +/- 0.56 6.5 +/- 0.56 0.040 / 0.050 G05 154.8 54.3 9.1 +/- 0.92 10.9 +/- 0.92 0.040 / 0.070 G06 50.5 20.1 4.6 +/- 0.78 10.0 +/- 0.78 0.030 / 0.060 G12 203.3 73.4 7.1 +/- 1.21 7.4 +/- 1.21 0.030 / 0.050 G19 93.2 17.0 7.2 +/- 1.10 17.0 +/- 1.10 0.080 / 0.160 G25 302.8 51.6 5.6 +/- 1.76 7.0 +/- 1.76 0.090 / 0.170 G29 302.5 22.9 6.1 +/- 0.97 12.5 +/- 0.97 0.090 / 0.250