PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/06/11-16:58:10 G01 66.7 31.9 10.3 +/- 1.72 17.3 +/- 1.72 0.040 / 0.060 G07 138.5 23.5 11.1 +/- 1.71 22.4 +/- 1.71 0.040 / 0.050 G11 51.1 28.6 10.0 +/- 1.57 18.1 +/- 1.57 0.080 / 0.150 G13 269.7 37.9 11.1 +/- 3.57 16.7 +/- 3.57 0.110 / 0.180 G15 299.3 16.0 9.8 +/- 3.35 23.8 +/- 3.35 0.090 / 0.140 G17 236.7 70.3 12.2 +/- 0.33 12.8 +/- 0.33 0.080 / 0.170 G18 45.7 15.9 10.0 +/- 2.56 24.2 +/- 2.56 0.080 / 0.140 G19 225.6 45.6 14.0 +/- 2.02 18.8 +/- 2.02 0.080 / 0.110 G28 14.2 60.5 10.2 +/- 1.75 11.6 +/- 1.75 0.040 / 0.030 G30 138.2 55.6 12.3 +/- 0.67 14.6 +/- 0.67 0.030 / 0.040