PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/08/16-23:27:50 G10 312.3 56.6 8.6 +/- 0.58 10.1 +/- 0.58 0.110 / 0.420 G14 212.4 17.8 10.4 +/- 1.46 24.2 +/- 1.46 0.130 / 0.600 G15 45.6 21.1 5.1 +/- 1.52 10.9 +/- 1.52 0.070 / 0.080 G20 12.3 64.1 7.1 +/- 0.34 7.8 +/- 0.34 0.060 / 0.090 G21 116.2 69.1 7.9 +/- 1.02 8.3 +/- 1.02 0.040 / 0.040 G24 89.6 29.2 7.2 +/- 0.78 12.9 +/- 0.78 0.040 / 0.040 G27 291.6 37.0 9.1 +/- 1.36 13.9 +/- 1.36 0.030 / 0.050 G32 214.1 39.7 10.6 +/- 1.84 15.4 +/- 1.84 0.040 / 0.040