PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/11/22-12:27:30 G02 38.5 50.7 4.5 +/- 0.58 5.6 +/- 0.58 0.050 / 0.050 G05 130.8 67.0 7.6 +/- 0.84 8.2 +/- 0.84 0.040 / 0.040 G06 57.5 11.2 3.0 +/- 0.95 8.1 +/- 0.95 0.040 / 0.040 G12 192.1 60.0 7.0 +/- 0.80 7.9 +/- 0.80 0.040 / 0.040 G25 276.3 60.4 5.1 +/- 0.84 5.8 +/- 0.84 0.080 / 0.100 G29 312.6 34.0 3.5 +/- 1.61 5.6 +/- 1.61 0.060 / 0.100