PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/10/28-06:12:40 G01 106.3 24.4 6.0 +/- 1.37 11.9 +/- 1.37 0.030 / 0.040 G07 105.0 58.6 8.9 +/- 0.49 10.2 +/- 0.49 0.030 / 0.040 G08 42.0 22.0 4.2 +/- 1.27 8.9 +/- 1.27 0.050 / 0.090 G09 173.4 13.2 6.7 +/- 1.67 17.5 +/- 1.67 0.040 / 0.080 G11 93.9 44.7 8.6 +/- 0.82 11.7 +/- 0.82 0.070 / 0.200 G13 310.0 29.2 5.7 +/- 2.23 10.1 +/- 2.23 0.070 / 0.150 G17 204.4 35.8 9.7 +/- 1.30 15.1 +/- 1.30 0.040 / 0.050 G19 207.5 13.9 6.8 +/- 1.60 17.4 +/- 1.60 0.040 / 0.060 G28 300.6 56.8 7.0 +/- 0.66 8.2 +/- 0.66 0.040 / 0.060 G30 3.5 76.3 9.2 +/- 0.49 9.4 +/- 0.49 0.040 / 0.070