PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/08/08-02:28:00 G08 283.0 22.9 10.7 +/- 1.87 21.9 +/- 1.87 0.090 / 0.160 G10 27.6 62.7 8.5 +/- 0.48 9.4 +/- 0.48 0.090 / 0.160 G14 238.6 52.6 12.7 +/- 0.89 15.6 +/- 0.89 0.040 / 0.090 G18 317.3 17.6 7.4 +/- 2.19 17.3 +/- 2.19 0.040 / 0.070 G20 33.5 66.4 11.0 +/- 0.76 11.9 +/- 0.76 0.070 / 0.140 G21 150.7 32.5 12.2 +/- 0.69 20.3 +/- 0.69 0.070 / 0.140 G24 47.8 19.8 6.4 +/- 1.27 14.1 +/- 1.27 0.050 / 0.120 G27 245.6 26.7 14.4 +/- 1.82 27.1 +/- 1.82 0.060 / 0.130 G31 180.4 15.9 15.3 +/- 1.38 37.1 +/- 1.38 0.030 / 0.040 G32 275.6 75.5 10.1 +/- 0.70 10.4 +/- 0.70 0.020 / 0.030