PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/08/13-00:57:50 G08 313.4 17.2 9.7 +/- 1.14 23.0 +/- 1.14 0.080 / 0.080 G10 321.7 58.2 9.1 +/- 0.77 10.5 +/- 0.77 0.090 / 0.090 G14 215.4 24.2 15.1 +/- 2.26 30.2 +/- 2.26 0.040 / 0.060 G15 46.1 18.3 5.8 +/- 0.89 13.3 +/- 0.89 0.040 / 0.060 G20 317.8 57.1 19.7 +/- 0.42 23.0 +/- 0.42 0.140 / 0.320 G21 127.5 63.6 9.1 +/- 0.67 10.0 +/- 0.67 0.100 / 0.310 G24 78.9 29.4 8.2 +/- 0.64 14.6 +/- 0.64 0.050 / 0.040 G27 282.6 37.6 10.5 +/- 0.73 16.0 +/- 0.73 0.050 / 0.030 G32 218.5 48.6 13.8 +/- 1.38 17.7 +/- 1.38 0.070 / 0.110