PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/07/22-02:57:50 G08 321.2 10.4 -16.4 +/- 16.79 -45.3 +/- 16.79 0.130 / 0.200 G10 299.6 52.1 9.4 +/- 1.32 11.6 +/- 1.32 0.220 / 0.160 G14 210.6 15.6 14.6 +/- 3.76 35.9 +/- 3.76 0.060 / 0.040 G15 46.1 29.1 1.4 +/- 1.64 2.5 +/- 1.64 0.080 / 0.050 G18 358.8 65.9 -97.1 +/- 30.33 -105.2 +/- 30.33 0.040 / 0.030 G20 73.6 15.1 6.9 +/- 1.35 17.2 +/- 1.35 0.030 / 0.030 G21 102.5 72.9 8.8 +/- 0.56 9.2 +/- 0.56 0.060 / 0.110 G24 96.6 27.3 8.9 +/- 1.01 16.4 +/- 1.01 0.060 / 0.100 G27 296.1 36.0 11.0 +/- 1.70 17.1 +/- 1.70 0.160 / 0.360 G32 212.0 33.8 11.9 +/- 2.14 19.3 +/- 2.14 0.230 / 0.340