PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/12/08-18:12:50 G01 317.4 23.2 6.4 +/- 1.54 13.1 +/- 1.54 0.140 / 0.270 G08 254.0 11.9 9.3 +/- 4.69 25.0 +/- 4.69 0.210 / 0.310 G10 85.6 49.3 10.8 +/- 0.97 13.7 +/- 0.97 0.160 / 0.170 G11 303.6 21.3 6.9 +/- 1.44 14.8 +/- 1.44 0.130 / 0.130 G14 294.0 69.2 7.9 +/- 1.19 8.4 +/- 1.19 0.040 / 0.040 G20 109.3 23.7 11.8 +/- 1.19 23.8 +/- 1.19 0.040 / 0.040 G22 302.5 11.5 4.8 +/- 12.55 12.9 +/- 12.55 0.260 / 0.390 G31 175.4 44.8 10.9 +/- 0.60 14.8 +/- 0.60 0.240 / 0.390 G32 16.7 64.2 9.8 +/- 0.72 10.8 +/- 0.72 0.050 / 0.070