PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/11/08-06:27:30 G07 43.6 69.2 9.5 +/- 0.96 10.1 +/- 0.96 0.070 / 0.090 G08 53.1 41.5 8.7 +/- 0.69 12.3 +/- 0.69 0.060 / 0.070 G09 178.3 40.1 11.7 +/- 1.07 17.0 +/- 1.07 0.060 / 0.330 G11 121.7 32.2 11.2 +/- 0.53 18.8 +/- 0.53 0.060 / 0.350 G17 199.1 12.7 6.7 +/- 1.08 17.5 +/- 1.08 0.050 / 0.060 G23 161.1 12.6 6.5 +/- 3.09 17.1 +/- 3.09 0.050 / 0.050 G28 271.2 51.2 9.5 +/- 1.49 11.8 +/- 1.49 0.030 / 0.030 G30 329.1 57.3 8.5 +/- 0.74 9.9 +/- 0.74 0.030 / 0.040