PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/06/11-23:28:10 G02 56.8 34.6 7.7 +/- 0.59 12.4 +/- 0.59 0.120 / 0.330 G05 62.1 62.8 10.1 +/- 0.81 11.2 +/- 0.81 0.090 / 0.320 G12 186.5 38.1 12.0 +/- 2.14 18.1 +/- 2.14 0.040 / 0.060 G13 129.4 12.8 11.6 +/- 3.01 30.4 +/- 3.01 0.040 / 0.060 G15 164.7 10.5 -4.8 +/- 28.37 -13.4 +/- 28.37 0.060 / 0.110 G21 269.0 15.2 12.1 +/- 2.58 29.9 +/- 2.58 0.050 / 0.110 G25 242.3 54.2 10.0 +/- 1.15 12.1 +/- 1.15 0.090 / 0.090 G29 328.2 53.4 9.0 +/- 0.93 10.9 +/- 0.93 0.060 / 0.080