PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/07/10-00:57:50 G10 245.3 22.1 13.5 +/- 2.29 28.2 +/- 2.29 0.030 / 0.050 G13 60.0 33.1 9.3 +/- 1.91 15.3 +/- 1.91 0.040 / 0.040 G15 103.7 58.2 12.0 +/- 0.82 13.9 +/- 0.82 0.140 / 0.430 G16 300.8 15.8 6.4 +/- 1.36 15.5 +/- 1.36 0.120 / 0.360 G20 256.3 36.3 12.7 +/- 3.49 19.7 +/- 3.49 0.060 / 0.110 G21 325.2 55.0 10.0 +/- 0.48 11.9 +/- 0.48 0.100 / 0.110 G26 272.6 18.1 10.8 +/- 1.66 25.0 +/- 1.66 0.030 / 0.030 G29 163.2 58.5 11.4 +/- 0.79 13.1 +/- 0.79 0.030 / 0.030