PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/09/07-00:13:10 G08 312.7 17.6 11.7 +/- 1.47 27.2 +/- 1.47 0.040 / 0.020 G10 320.3 57.7 12.3 +/- 0.74 14.2 +/- 0.74 0.030 / 0.030 G14 215.4 27.4 15.8 +/- 2.31 29.2 +/- 2.31 0.040 / 0.040 G15 45.9 16.0 13.0 +/- 2.91 31.5 +/- 2.91 0.040 / 0.050 G18 28.3 61.9 13.9 +/- 1.19 15.5 +/- 1.19 0.050 / 0.070 G21 127.9 61.1 16.7 +/- 0.45 18.8 +/- 0.45 0.070 / 0.080 G24 81.9 30.4 13.5 +/- 1.42 23.5 +/- 1.42 0.060 / 0.070 G27 280.0 38.1 14.6 +/- 2.58 21.9 +/- 2.58 0.070 / 0.080 G32 219.4 44.6 16.1 +/- 2.33 21.8 +/- 2.33 0.150 / 0.210