PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/03/02-06:28:10 G02 58.3 33.1 2.5 +/- 0.41 4.0 +/- 0.41 0.080 / 0.090 G05 60.6 62.2 5.3 +/- 1.06 6.0 +/- 1.06 0.070 / 0.090 G12 186.7 37.1 5.5 +/- 0.76 8.5 +/- 0.76 0.040 / 0.060 G13 129.1 13.6 4.4 +/- 3.21 11.4 +/- 3.21 0.050 / 0.060 G15 164.4 11.0 -1.2 +/- 20.76 -3.4 +/- 20.76 0.040 / 0.040 G21 271.4 19.4 4.2 +/- 1.18 9.3 +/- 1.18 0.030 / 0.040 G25 235.5 53.1 4.1 +/- 0.99 5.0 +/- 0.99 0.050 / 0.050 G29 331.7 57.1 3.4 +/- 1.08 4.0 +/- 1.08 0.040 / 0.050