PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/12/02-22:57:40 G01 225.2 16.2 9.9 +/- 2.82 23.8 +/- 2.82 0.100 / 0.220 G03 285.0 68.0 6.1 +/- 0.46 6.5 +/- 0.46 0.110 / 0.290 G09 295.5 10.7 -7.6 +/- 32.97 -21.0 +/- 32.97 0.110 / 0.180 G14 87.9 22.9 7.4 +/- 0.77 15.2 +/- 0.77 0.110 / 0.190 G16 145.9 45.9 11.3 +/- 0.89 15.0 +/- 0.89 0.040 / 0.040 G22 215.8 69.7 8.2 +/- 0.98 8.6 +/- 0.98 0.040 / 0.040 G23 307.1 36.4 7.7 +/- 1.80 12.0 +/- 1.80 0.040 / 0.070 G26 98.0 54.9 8.5 +/- 0.50 10.1 +/- 0.50 0.040 / 0.070 G31 45.0 33.9 6.0 +/- 0.62 9.7 +/- 0.62 0.030 / 0.040