PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/06/05-15:42:40 G07 6.5 66.9 14.3 +/- 0.71 15.4 +/- 0.71 0.050 / 0.050 G08 69.4 50.8 15.3 +/- 0.68 19.2 +/- 0.68 0.050 / 0.050 G09 180.0 53.0 17.7 +/- 1.17 21.5 +/- 1.17 0.030 / 0.040 G11 133.4 25.2 17.9 +/- 2.48 34.9 +/- 2.48 0.030 / 0.030 G23 158.6 19.7 16.0 +/- 2.32 35.3 +/- 2.32 0.040 / 0.050 G27 41.9 19.6 12.1 +/- 1.68 26.8 +/- 1.68 0.060 / 0.050 G28 255.1 43.3 16.2 +/- 3.54 22.3 +/- 3.54 0.110 / 0.200 G30 317.5 48.3 13.8 +/- 0.79 17.8 +/- 0.79 0.090 / 0.200