PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/10/01-22:28:00 G08 314.2 16.6 15.5 +/- 1.50 37.1 +/- 1.50 0.050 / 0.050 G10 317.5 57.1 16.1 +/- 0.52 18.8 +/- 0.52 0.040 / 0.050 G14 214.7 25.6 23.2 +/- 2.41 44.7 +/- 2.41 0.030 / 0.070 G15 45.8 16.7 12.8 +/- 0.70 30.5 +/- 0.70 0.030 / 0.070 G18 26.5 62.2 16.7 +/- 0.95 18.6 +/- 0.95 0.060 / 0.120 G21 126.0 61.7 18.8 +/- 0.96 21.1 +/- 0.96 0.060 / 0.120 G24 83.9 30.2 17.0 +/- 0.62 29.7 +/- 0.62 0.080 / 0.070 G27 282.3 38.1 18.2 +/- 1.13 27.3 +/- 1.13 0.090 / 0.090 G32 218.4 41.9 21.5 +/- 1.85 30.4 +/- 1.85 0.070 / 0.200