PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/08/14-22:42:50 G10 249.7 26.1 11.7 +/- 1.50 22.2 +/- 1.50 0.030 / 0.050 G13 54.4 30.3 7.8 +/- 1.58 13.5 +/- 1.58 0.030 / 0.040 G15 94.5 59.3 10.1 +/- 1.04 11.6 +/- 1.04 0.130 / 0.310 G16 295.0 16.1 7.8 +/- 1.46 18.8 +/- 1.46 0.160 / 0.380 G20 254.1 21.1 13.5 +/- 2.55 28.9 +/- 2.55 0.060 / 0.130 G21 331.1 58.7 8.3 +/- 0.50 9.5 +/- 0.50 0.110 / 0.140 G26 267.2 16.1 10.8 +/- 3.54 26.1 +/- 3.54 0.030 / 0.040 G29 165.0 52.4 10.4 +/- 0.72 12.7 +/- 0.72 0.040 / 0.040