PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/06/06-15:12:30 G07 342.6 61.3 11.6 +/- 0.98 13.0 +/- 0.98 0.040 / 0.050 G08 89.6 53.3 11.5 +/- 0.45 13.9 +/- 0.45 0.040 / 0.050 G09 184.0 66.1 12.3 +/- 1.66 13.4 +/- 1.66 0.030 / 0.040 G11 141.9 17.3 13.1 +/- 1.27 30.7 +/- 1.27 0.030 / 0.040 G23 156.4 31.7 13.8 +/- 1.25 23.4 +/- 1.25 0.050 / 0.110 G27 49.3 27.8 7.9 +/- 0.67 14.5 +/- 0.67 0.040 / 0.120 G28 243.0 34.7 14.5 +/- 0.97 23.1 +/- 0.97 0.070 / 0.100 G30 307.4 39.7 10.6 +/- 0.82 15.5 +/- 0.82 0.070 / 0.080