PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/11/04-17:58:00 G10 247.0 22.8 14.2 +/- 3.16 29.3 +/- 3.16 0.030 / 0.050 G13 58.9 33.4 11.4 +/- 0.96 18.7 +/- 0.96 0.040 / 0.050 G15 93.8 57.3 12.8 +/- 0.87 15.0 +/- 0.87 0.030 / 0.060 G16 305.6 12.9 10.4 +/- 2.12 27.1 +/- 2.12 0.040 / 0.050 G18 263.9 54.3 13.7 +/- 1.06 16.4 +/- 1.06 0.130 / 0.350 G20 38.6 53.5 11.7 +/- 0.54 14.1 +/- 0.54 0.170 / 0.410 G21 332.8 59.7 12.9 +/- 0.88 14.6 +/- 0.88 0.130 / 0.370 G26 276.4 16.5 12.3 +/- 2.18 29.6 +/- 2.18 0.130 / 0.400 G29 160.3 48.3 15.3 +/- 1.47 19.8 +/- 1.47 0.030 / 0.050