PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/07/04-03:12:40 G10 300.2 52.7 10.3 +/- 1.65 12.6 +/- 1.65 0.240 / 0.530 G14 211.2 10.9 -4.9 +/- 17.96 -13.5 +/- 17.96 0.170 / 0.350 G15 46.1 28.1 7.3 +/- 1.32 13.3 +/- 1.32 0.060 / 0.070 G20 338.4 64.4 11.1 +/- 0.73 12.1 +/- 0.73 0.130 / 0.080 G21 100.7 73.7 11.3 +/- 0.80 11.8 +/- 0.80 0.040 / 0.030 G24 94.4 27.1 8.5 +/- 1.19 15.9 +/- 1.19 0.040 / 0.040 G27 298.3 35.0 11.2 +/- 1.71 17.8 +/- 1.71 0.060 / 0.110 G32 211.1 35.7 11.7 +/- 1.37 18.4 +/- 1.37 0.060 / 0.170