PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/10/01-18:43:10 G05 48.1 20.4 7.3 +/- 2.49 15.9 +/- 2.49 0.060 / 0.130 G10 235.9 12.4 6.5 +/- 23.73 17.3 +/- 23.73 0.050 / 0.130 G13 76.0 36.2 9.4 +/- 2.82 14.5 +/- 2.82 0.070 / 0.160 G15 132.5 51.3 10.5 +/- 2.61 13.0 +/- 2.61 0.080 / 0.140 G16 314.1 12.5 7.6 +/- 9.86 20.1 +/- 9.86 0.180 / 0.290 G20 247.7 36.6 14.6 +/- 37.30 22.5 +/- 37.30 0.140 / 0.270 G21 313.2 47.0 12.9 +/- 36.65 17.0 +/- 36.65 0.060 / 0.150 G25 197.4 10.0 11.4 +/- 38.67 31.8 +/- 38.67 0.060 / 0.110 G26 287.9 20.3 11.6 +/- 35.95 25.3 +/- 35.95 0.030 / 0.040 G29 154.8 73.3 7.8 +/- 2.82 8.1 +/- 2.82 0.040 / 0.040