PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/05/26-01:43:00 G02 59.5 32.5 8.2 +/- 2.14 13.7 +/- 2.14 0.060 / 0.120 G05 57.9 60.3 10.1 +/- 0.49 11.4 +/- 0.49 0.090 / 0.090 G12 184.3 32.6 13.3 +/- 1.22 22.1 +/- 1.22 0.120 / 0.250 G13 128.7 14.8 14.9 +/- 2.20 37.3 +/- 2.20 0.180 / 0.350 G15 164.3 11.6 12.6 +/- 4.68 34.0 +/- 4.68 0.030 / 0.030 G21 270.7 16.5 10.9 +/- 2.75 26.2 +/- 2.75 0.030 / 0.040 G25 238.6 52.3 11.9 +/- 2.46 14.6 +/- 2.46 0.090 / 0.100 G29 327.3 53.2 10.4 +/- 1.25 12.6 +/- 1.25 0.100 / 0.080