PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/12/10-20:57:50 G01 232.1 25.1 12.6 +/- 2.62 24.6 +/- 2.62 0.040 / 0.030 G03 308.7 57.7 10.3 +/- 1.59 11.9 +/- 1.59 0.040 / 0.030 G14 72.9 34.9 10.7 +/- 0.93 16.9 +/- 0.93 0.060 / 0.100 G16 152.6 33.8 15.8 +/- 1.62 25.6 +/- 1.62 0.060 / 0.120 G22 262.5 74.7 10.8 +/- 0.73 11.1 +/- 0.73 0.090 / 0.120 G23 298.4 29.1 11.7 +/- 2.37 20.9 +/- 2.37 0.080 / 0.110 G26 117.9 49.6 13.3 +/- 0.92 16.9 +/- 0.92 0.040 / 0.030 G31 42.0 43.1 8.9 +/- 1.32 12.4 +/- 1.32 0.040 / 0.040 G32 90.5 11.6 11.7 +/- 1.35 31.5 +/- 1.35 0.090 / 0.150