PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/11/10-05:42:40 G07 359.2 65.1 4.6 +/- 0.85 5.0 +/- 0.85 0.050 / 0.120 G08 73.9 50.8 5.8 +/- 0.81 7.2 +/- 0.81 0.050 / 0.090 G09 181.2 58.6 8.6 +/- 0.43 9.9 +/- 0.43 0.030 / 0.030 G11 135.9 21.5 4.9 +/- 3.17 10.3 +/- 3.17 0.030 / 0.030 G23 159.4 29.0 7.1 +/- 1.10 12.7 +/- 1.10 0.030 / 0.030 G27 44.1 22.3 2.7 +/- 2.39 5.7 +/- 2.39 0.040 / 0.030 G28 250.2 40.5 6.1 +/- 1.74 8.8 +/- 1.74 0.050 / 0.040 G30 313.4 44.6 3.5 +/- 0.91 4.7 +/- 0.91 0.030 / 0.030