PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/09/09-00:58:00 G08 290.2 23.5 6.7 +/- 1.63 13.5 +/- 1.63 0.040 / 0.110 G10 8.3 63.2 4.8 +/- 0.54 5.3 +/- 0.54 0.040 / 0.110 G14 231.7 49.4 8.5 +/- 1.07 10.8 +/- 1.07 0.060 / 0.110 G18 64.7 50.9 7.1 +/- 0.91 8.9 +/- 0.91 0.060 / 0.120 G21 146.6 37.9 9.1 +/- 0.93 13.8 +/- 0.93 0.040 / 0.030 G24 56.0 26.1 9.5 +/- 0.69 18.1 +/- 0.69 0.040 / 0.050 G27 251.1 30.6 7.4 +/- 2.09 12.8 +/- 2.09 0.050 / 0.080 G32 247.1 66.4 7.8 +/- 0.75 8.5 +/- 0.75 0.040 / 0.070