PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/09/04-00:58:10 G08 299.3 22.7 8.9 +/- 1.07 18.5 +/- 1.07 0.050 / 0.100 G10 349.0 62.1 7.9 +/- 0.53 8.9 +/- 0.53 0.060 / 0.090 G14 224.2 41.4 10.9 +/- 1.25 15.5 +/- 1.25 0.040 / 0.070 G18 52.4 55.5 9.2 +/- 0.29 11.0 +/- 0.29 0.040 / 0.080 G21 141.5 46.9 11.5 +/- 0.97 15.0 +/- 0.97 0.030 / 0.040 G24 64.9 29.2 10.6 +/- 0.58 18.9 +/- 0.58 0.030 / 0.040 G27 261.0 34.9 9.8 +/- 1.79 15.6 +/- 1.79 0.060 / 0.100 G32 233.3 58.9 10.8 +/- 1.14 12.3 +/- 1.14 0.060 / 0.090