PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/07/03-01:12:40 G05 51.5 10.9 7.2 +/- 2.64 19.6 +/- 2.64 0.090 / 0.320 G10 240.8 17.6 13.5 +/- 1.80 31.6 +/- 1.80 0.080 / 0.280 G13 67.0 35.2 10.8 +/- 1.08 17.1 +/- 1.08 0.130 / 0.220 G15 115.4 56.1 11.3 +/- 0.43 13.4 +/- 0.43 0.290 / 0.310 G16 306.8 15.0 7.1 +/- 2.47 17.6 +/- 2.47 0.050 / 0.050 G20 252.1 35.7 10.4 +/- 2.60 16.3 +/- 2.60 0.040 / 0.050 G21 319.0 50.9 8.5 +/- 0.73 10.6 +/- 0.73 0.030 / 0.030 G26 278.7 19.7 9.5 +/- 2.24 21.1 +/- 2.24 0.020 / 0.020 G29 160.7 65.5 10.2 +/- 0.55 11.1 +/- 0.55 0.060 / 0.110