PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/10/05-00:28:00 G01 318.9 17.9 13.6 +/- 1.03 31.5 +/- 1.03 0.060 / 0.050 G08 256.1 13.2 16.4 +/- 1.62 42.7 +/- 1.62 0.050 / 0.060 G10 78.7 54.1 14.1 +/- 0.52 16.9 +/- 0.52 0.050 / 0.070 G11 302.3 24.1 14.6 +/- 2.10 29.1 +/- 2.10 0.040 / 0.070 G14 300.7 71.3 13.4 +/- 0.62 14.1 +/- 0.62 0.030 / 0.050 G18 101.7 29.0 14.4 +/- 0.94 25.7 +/- 0.94 0.030 / 0.040 G31 178.8 39.2 16.9 +/- 0.99 24.9 +/- 0.99 0.090 / 0.210