PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/06/29-16:42:30 G01 42.9 18.9 7.0 +/- 1.27 15.8 +/- 1.27 0.170 / 0.450 G06 175.5 33.8 10.6 +/- 0.70 17.2 +/- 0.70 0.150 / 0.440 G13 240.4 25.5 8.5 +/- 3.15 16.5 +/- 3.15 0.040 / 0.060 G15 274.5 13.6 8.3 +/- 1.70 21.4 +/- 1.70 0.060 / 0.070 G17 343.1 74.9 9.3 +/- 0.43 9.6 +/- 0.43 0.070 / 0.150 G19 265.7 67.7 8.8 +/- 0.75 9.4 +/- 0.75 0.070 / 0.170 G24 317.7 15.2 5.5 +/- 3.10 13.6 +/- 3.10 0.020 / 0.030 G28 58.7 53.0 9.0 +/- 0.73 10.9 +/- 0.73 0.030 / 0.040 G30 152.7 30.1 10.4 +/- 1.08 18.2 +/- 1.08 0.050 / 0.040