PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/10/27-01:28:10 G03 217.6 60.5 4.4 +/- 0.99 5.0 +/- 0.99 0.050 / 0.070 G07 256.1 15.6 6.4 +/- 1.49 15.6 +/- 1.49 0.070 / 0.080 G09 310.5 29.5 3.9 +/- 1.58 6.9 +/- 1.58 0.070 / 0.200 G14 106.9 10.3 3.0 +/- 1.79 8.3 +/- 1.79 0.070 / 0.170 G16 95.9 62.8 4.3 +/- 0.62 4.7 +/- 0.62 0.040 / 0.040 G22 191.8 44.3 6.7 +/- 2.23 9.1 +/- 2.23 0.040 / 0.050 G23 329.2 59.0 3.9 +/- 0.46 4.5 +/- 0.46 0.190 / 0.490 G26 55.1 43.8 2.3 +/- 0.98 3.2 +/- 0.98 0.140 / 0.470 G31 58.9 10.3 2.1 +/- 3.22 5.9 +/- 3.22 0.040 / 0.040