PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/08/29-09:27:40 G01 126.7 10.5 -13.3 +/- 32.53 -36.8 +/- 32.53 0.030 / 0.040 G07 55.1 68.7 4.4 +/- 0.56 4.7 +/- 0.56 0.030 / 0.040 G08 54.0 44.0 3.4 +/- 0.39 4.7 +/- 0.39 0.220 / 0.320 G09 177.9 37.7 6.9 +/- 1.30 10.5 +/- 1.30 0.150 / 0.390 G11 121.0 35.4 5.1 +/- 0.99 8.0 +/- 0.99 0.060 / 0.110 G13 321.0 11.6 -0.0 +/- 14.05 -0.1 +/- 14.05 0.060 / 0.090 G17 200.2 10.6 -5.0 +/- 19.98 -13.9 +/- 19.98 0.070 / 0.220 G18 104.3 16.0 3.4 +/- 0.69 8.3 +/- 0.69 0.090 / 0.240 G28 267.2 46.5 7.4 +/- 0.69 9.8 +/- 0.69 0.130 / 0.560 G30 329.9 58.9 3.8 +/- 1.08 4.3 +/- 1.08 0.160 / 0.380