PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/03/10-06:12:30 G02 64.3 28.2 3.0 +/- 0.46 5.4 +/- 0.46 0.040 / 0.100 G05 51.6 55.5 4.2 +/- 0.83 5.0 +/- 0.83 0.100 / 0.110 G12 185.1 29.3 5.7 +/- 1.86 10.0 +/- 1.86 0.060 / 0.080 G13 123.1 18.5 6.2 +/- 1.72 14.1 +/- 1.72 0.040 / 0.080 G15 160.2 16.9 5.9 +/- 2.89 14.1 +/- 2.89 0.040 / 0.040 G21 277.4 23.6 -0.8 +/- 1.94 -1.7 +/- 1.94 0.040 / 0.040 G25 226.2 47.5 5.7 +/- 1.42 7.5 +/- 1.42 0.030 / 0.040 G29 338.8 64.6 4.9 +/- 1.01 5.3 +/- 1.01 0.030 / 0.040