PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/03/29-00:12:20 G02 202.7 34.8 10.2 +/- 1.17 16.3 +/- 1.17 0.060 / 0.070 G06 168.8 65.3 8.6 +/- 0.64 9.3 +/- 0.64 0.060 / 0.080 G12 306.0 12.5 6.9 +/- 3.84 18.1 +/- 3.84 0.050 / 0.100 G17 36.6 48.5 8.1 +/- 1.51 10.4 +/- 1.51 0.060 / 0.100 G19 359.3 65.7 6.8 +/- 0.92 7.4 +/- 0.92 0.040 / 0.040 G24 296.9 38.9 9.1 +/- 3.42 13.4 +/- 3.42 0.040 / 0.040 G28 99.6 35.0 10.1 +/- 0.88 16.0 +/- 0.88 0.290 / 0.310