PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/11/09-12:42:50 G02 20.5 64.5 3.2 +/- 0.84 3.5 +/- 0.84 0.040 / 0.060 G05 156.8 51.1 7.6 +/- 0.84 9.4 +/- 0.84 0.040 / 0.050 G06 48.5 23.7 2.1 +/- 0.56 4.2 +/- 0.56 0.040 / 0.040 G12 219.8 77.3 3.4 +/- 0.39 3.5 +/- 0.39 0.040 / 0.040 G19 90.6 18.2 5.0 +/- 0.80 11.6 +/- 0.80 0.030 / 0.030 G25 305.5 50.4 3.5 +/- 1.30 4.4 +/- 1.30 0.020 / 0.030 G29 300.4 21.3 4.6 +/- 1.79 9.8 +/- 1.79 0.070 / 0.100