PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/06/29-16:43:10 G01 42.7 18.6 6.7 +/- 3.70 15.4 +/- 3.70 0.040 / 0.070 G06 175.4 34.3 9.5 +/- 1.37 15.3 +/- 1.37 0.040 / 0.060 G13 240.0 25.2 7.9 +/- 1.86 15.4 +/- 1.86 0.160 / 0.330 G15 274.1 13.5 6.9 +/- 1.66 17.9 +/- 1.66 0.160 / 0.340 G17 344.5 74.6 9.2 +/- 0.38 9.5 +/- 0.38 0.020 / 0.030 G19 266.9 68.0 9.7 +/- 1.31 10.3 +/- 1.31 0.020 / 0.030 G24 317.6 15.6 5.3 +/- 1.92 13.1 +/- 1.92 0.080 / 0.090 G28 59.4 52.8 9.0 +/- 1.45 11.0 +/- 1.45 0.080 / 0.090 G30 152.8 29.6 10.9 +/- 0.81 19.2 +/- 0.81 0.120 / 0.250