PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/06/07-14:43:00 G07 324.8 54.7 11.3 +/- 0.74 13.6 +/- 0.74 0.040 / 0.050 G08 110.1 50.2 12.7 +/- 0.37 16.0 +/- 0.37 0.050 / 0.040 G09 201.3 78.7 12.0 +/- 0.53 12.3 +/- 0.53 0.050 / 0.040 G11 149.5 9.8 -4.6 +/- 10.56 -13.0 +/- 10.56 0.050 / 0.040 G16 45.5 9.7 8.0 +/- 2.28 22.5 +/- 2.28 0.090 / 0.110 G23 152.4 44.1 12.1 +/- 0.65 16.5 +/- 0.65 0.100 / 0.100 G27 60.4 34.1 10.5 +/- 1.31 16.9 +/- 1.31 0.150 / 0.620 G28 233.4 25.3 13.2 +/- 2.75 25.6 +/- 2.75 0.120 / 0.350 G30 297.8 31.7 11.0 +/- 1.56 18.7 +/- 1.56 0.070 / 0.070