PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/06/06-00:57:50 G02 59.3 32.8 9.0 +/- 0.88 14.9 +/- 0.88 0.120 / 0.110 G05 58.0 60.5 9.5 +/- 0.40 10.8 +/- 0.40 0.060 / 0.100 G12 184.0 32.2 13.6 +/- 1.45 22.8 +/- 1.45 0.190 / 0.480 G13 128.7 14.8 17.4 +/- 2.73 43.5 +/- 2.73 0.170 / 0.510 G15 164.6 11.5 14.9 +/- 19.57 40.3 +/- 19.57 0.140 / 0.450 G21 270.6 16.4 13.8 +/- 3.30 33.2 +/- 3.30 0.150 / 0.320 G25 238.3 52.3 9.6 +/- 1.13 11.8 +/- 1.13 0.030 / 0.040 G29 327.2 53.1 9.3 +/- 1.14 11.3 +/- 1.14 0.030 / 0.040