PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/11/08-04:58:10 G07 320.2 52.8 7.2 +/- 0.61 8.8 +/- 0.61 0.230 / 0.310 G08 113.5 47.5 11.1 +/- 0.46 14.4 +/- 0.46 0.220 / 0.200 G09 229.2 82.7 9.1 +/- 0.26 9.1 +/- 0.26 0.040 / 0.040 G16 43.1 21.2 5.2 +/- 2.62 11.1 +/- 2.62 0.060 / 0.040 G23 151.5 54.4 11.4 +/- 0.44 13.7 +/- 0.44 0.040 / 0.040 G27 65.2 35.1 8.0 +/- 0.93 12.7 +/- 0.93 0.050 / 0.040 G28 230.1 21.8 8.1 +/- 2.51 17.1 +/- 2.51 0.270 / 0.330 G30 293.7 28.5 5.6 +/- 1.43 10.1 +/- 1.43 0.230 / 0.200