PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/06/11-16:12:50 G01 92.2 30.7 11.0 +/- 0.85 19.0 +/- 0.85 0.030 / 0.060 G07 124.0 42.5 11.3 +/- 0.85 15.8 +/- 0.85 0.040 / 0.050 G08 42.1 10.6 9.5 +/- 3.72 26.1 +/- 3.72 0.100 / 0.090 G11 70.6 41.0 9.6 +/- 0.76 13.7 +/- 0.76 0.050 / 0.080 G13 296.6 36.2 11.2 +/- 3.17 17.5 +/- 3.17 0.040 / 0.060 G17 212.0 49.6 12.6 +/- 0.72 16.0 +/- 0.72 0.030 / 0.060 G18 64.9 23.8 9.4 +/- 1.02 18.8 +/- 1.02 0.100 / 0.100 G19 212.7 25.7 12.8 +/- 2.38 24.6 +/- 2.38 0.070 / 0.110 G28 332.3 61.2 8.7 +/- 0.69 9.7 +/- 0.69 0.040 / 0.050 G30 102.6 74.7 11.3 +/- 0.90 11.7 +/- 0.90 0.040 / 0.060