PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/06/09-16:28:10 G01 88.0 31.7 8.1 +/- 0.72 13.6 +/- 0.72 0.030 / 0.070 G07 127.1 39.3 9.0 +/- 0.70 13.2 +/- 0.70 0.040 / 0.070 G11 66.3 39.5 7.7 +/- 0.48 11.3 +/- 0.48 0.050 / 0.060 G13 292.4 37.3 8.2 +/- 1.34 12.4 +/- 1.34 0.060 / 0.060 G15 314.0 10.9 -0.1 +/- 25.50 -0.1 +/- 25.50 0.070 / 0.090 G17 214.5 53.4 12.7 +/- 1.27 15.4 +/- 1.27 0.080 / 0.110 G18 61.2 23.0 6.3 +/- 9.61 12.8 +/- 9.61 0.090 / 0.120 G19 214.3 29.0 9.4 +/- 1.21 16.7 +/- 1.21 0.080 / 0.110 G28 339.6 61.5 6.8 +/- 0.96 7.6 +/- 0.96 0.050 / 0.060 G30 112.9 71.9 9.8 +/- 0.64 10.2 +/- 0.64 0.060 / 0.060