PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/10/08-13:27:30 G02 237.5 72.0 5.2 +/- 1.25 5.4 +/- 1.25 0.090 / 0.240 G05 175.0 13.0 7.7 +/- 2.23 20.0 +/- 2.23 0.090 / 0.250 G06 40.8 58.5 4.9 +/- 0.74 5.6 +/- 0.74 0.100 / 0.100 G12 322.1 53.4 5.6 +/- 1.32 6.8 +/- 1.32 0.120 / 0.110 G17 71.2 21.0 5.0 +/- 1.53 10.8 +/- 1.53 0.040 / 0.040 G19 52.9 42.4 5.2 +/- 0.53 7.3 +/- 0.53 0.030 / 0.040 G24 242.3 34.9 8.4 +/- 0.87 13.3 +/- 0.87 0.040 / 0.060 G25 316.5 14.4 2.4 +/- 4.61 6.1 +/- 4.61 0.040 / 0.060