PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/10/05-22:13:00 G08 313.7 16.9 16.1 +/- 1.78 38.2 +/- 1.78 0.040 / 0.060 G10 318.6 57.3 16.7 +/- 0.83 19.4 +/- 0.83 0.040 / 0.070 G14 215.0 26.1 20.5 +/- 2.80 39.1 +/- 2.80 0.060 / 0.130 G15 45.8 16.1 14.1 +/- 1.07 34.2 +/- 1.07 0.060 / 0.120 G18 27.9 61.9 17.5 +/- 0.59 19.6 +/- 0.59 0.040 / 0.060 G21 126.8 61.0 19.7 +/- 0.82 22.2 +/- 0.82 0.040 / 0.040 G24 83.2 30.3 17.9 +/- 0.93 31.2 +/- 0.93 0.060 / 0.070 G27 281.5 38.1 17.5 +/- 0.75 26.3 +/- 0.75 0.060 / 0.060 G32 218.8 42.3 19.6 +/- 1.98 27.5 +/- 1.98 0.070 / 0.230