PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/11/08-17:57:50 G10 253.1 28.0 11.8 +/- 1.36 21.7 +/- 1.36 0.060 / 0.080 G13 51.8 29.4 7.8 +/- 1.82 13.7 +/- 1.82 0.060 / 0.070 G15 79.0 56.0 8.0 +/- 0.25 9.5 +/- 0.25 0.080 / 0.280 G16 298.8 13.1 7.3 +/- 1.74 18.9 +/- 1.74 0.090 / 0.190 G18 275.3 58.9 9.7 +/- 0.80 11.1 +/- 0.80 0.050 / 0.050 G20 43.8 47.3 8.5 +/- 0.59 11.0 +/- 0.59 0.040 / 0.050 G21 343.6 64.7 7.3 +/- 0.98 8.0 +/- 0.98 0.110 / 0.340 G26 269.2 14.1 12.2 +/- 1.13 31.1 +/- 1.13 0.120 / 0.280 G29 162.7 40.4 12.9 +/- 0.79 18.6 +/- 0.79 0.060 / 0.200