PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/08/16-01:27:50 G08 274.2 18.7 8.0 +/- 1.19 18.1 +/- 1.19 0.060 / 0.070 G10 59.2 57.8 9.2 +/- 0.69 10.7 +/- 0.69 0.040 / 0.060 G14 259.6 63.8 8.7 +/- 0.61 9.6 +/- 0.61 0.180 / 0.290 G18 313.6 30.7 10.6 +/- 1.63 18.4 +/- 1.63 0.160 / 0.350 G20 93.6 37.8 9.5 +/- 0.56 14.4 +/- 0.56 0.030 / 0.040 G21 155.0 18.4 11.6 +/- 2.19 26.6 +/- 2.19 0.030 / 0.030 G24 41.1 12.0 6.6 +/- 1.63 17.7 +/- 1.63 0.140 / 0.450 G27 233.7 17.8 11.4 +/- 1.99 26.4 +/- 1.99 0.110 / 0.320 G31 177.5 29.2 12.4 +/- 0.82 22.1 +/- 0.82 0.100 / 0.210 G32 328.9 75.3 10.1 +/- 0.64 10.4 +/- 0.64 0.100 / 0.230