PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/05/26-01:42:40 G02 59.5 32.5 8.6 +/- 1.04 14.3 +/- 1.04 0.070 / 0.120 G05 57.9 60.3 10.2 +/- 0.43 11.6 +/- 0.43 0.080 / 0.090 G12 184.3 32.6 13.4 +/- 1.27 22.3 +/- 1.27 0.170 / 0.580 G13 128.7 14.8 16.4 +/- 3.10 40.9 +/- 3.10 0.200 / 0.460 G15 164.3 11.6 15.3 +/- 4.49 41.2 +/- 4.49 0.030 / 0.070 G20 218.8 10.2 -7.0 +/- 19.60 -19.3 +/- 19.60 0.030 / 0.040 G21 270.7 16.5 12.4 +/- 3.96 29.7 +/- 3.96 0.080 / 0.100 G25 238.6 52.3 11.6 +/- 1.19 14.2 +/- 1.19 0.050 / 0.100 G29 327.3 53.2 10.0 +/- 1.10 12.2 +/- 1.10 0.150 / 0.440