PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/06/10-17:43:00 G01 48.6 24.3 9.2 +/- 0.47 18.3 +/- 0.47 0.040 / 0.060 G06 177.6 25.1 13.9 +/- 1.37 27.1 +/- 1.37 0.040 / 0.060 G11 44.1 14.0 7.9 +/- 2.34 20.1 +/- 2.34 0.120 / 0.340 G13 248.2 30.4 13.1 +/- 1.82 22.7 +/- 1.82 0.110 / 0.220 G15 281.9 15.6 11.6 +/- 1.93 28.3 +/- 1.93 0.070 / 0.120 G17 312.7 78.5 12.0 +/- 0.72 12.2 +/- 0.72 0.070 / 0.120 G19 248.1 61.8 12.8 +/- 0.85 14.3 +/- 0.85 0.030 / 0.030 G28 46.5 55.8 10.8 +/- 0.70 12.8 +/- 0.70 0.040 / 0.040 G30 149.4 37.1 12.6 +/- 1.00 19.2 +/- 1.00 0.040 / 0.060