PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/12/09-17:58:00 G01 319.2 19.1 7.3 +/- 1.43 16.5 +/- 1.43 0.200 / 0.390 G08 258.2 14.4 9.0 +/- 1.93 22.7 +/- 1.93 0.190 / 0.330 G10 78.4 52.1 9.8 +/- 0.59 12.1 +/- 0.59 0.150 / 0.210 G11 307.8 19.0 7.2 +/- 1.86 16.3 +/- 1.86 0.160 / 0.220 G14 280.5 67.5 9.8 +/- 0.82 10.5 +/- 0.82 0.040 / 0.040 G20 105.3 27.2 10.1 +/- 2.00 18.8 +/- 2.00 0.040 / 0.050 G27 225.0 10.3 13.6 +/- 4.75 37.8 +/- 4.75 0.140 / 0.260 G31 176.6 39.4 11.2 +/- 0.77 16.5 +/- 0.77 0.140 / 0.270 G32 8.3 67.9 9.0 +/- 1.33 9.6 +/- 1.33 0.030 / 0.050