PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/08/29-11:12:50 G01 78.5 32.5 2.2 +/- 0.66 3.6 +/- 0.66 0.040 / 0.090 G07 132.2 35.6 5.0 +/- 0.66 7.8 +/- 0.66 0.040 / 0.070 G11 60.0 37.0 3.7 +/- 0.82 5.6 +/- 0.82 0.070 / 0.060 G13 283.1 38.8 5.9 +/- 6.25 8.8 +/- 6.25 0.080 / 0.050 G15 309.7 12.6 4.0 +/- 1.19 10.6 +/- 1.19 0.110 / 0.090 G17 220.9 58.6 7.7 +/- 1.45 8.8 +/- 1.45 0.090 / 0.100 G18 54.7 21.3 3.0 +/- 2.87 6.5 +/- 2.87 0.130 / 0.260 G19 218.0 36.7 6.1 +/- 1.43 9.4 +/- 1.43 0.090 / 0.210 G28 350.7 61.6 4.1 +/- 0.68 4.6 +/- 0.68 0.130 / 0.310 G30 125.2 70.1 5.8 +/- 0.66 6.2 +/- 0.66 0.190 / 0.280