PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/08/09-02:12:50 G08 266.7 16.0 10.1 +/- 2.10 24.5 +/- 2.10 0.170 / 0.460 G10 72.0 54.6 7.9 +/- 0.41 9.4 +/- 0.41 0.170 / 0.500 G11 308.4 19.5 7.9 +/- 1.33 17.7 +/- 1.33 0.050 / 0.060 G14 276.8 68.2 7.6 +/- 0.74 8.1 +/- 0.74 0.050 / 0.060 G18 309.2 36.9 8.4 +/- 1.88 12.8 +/- 1.88 0.150 / 0.380 G20 100.6 33.0 6.8 +/- 0.75 11.3 +/- 0.75 0.170 / 0.400 G21 156.1 11.3 8.3 +/- 2.00 22.5 +/- 2.00 0.200 / 0.360 G27 228.3 12.9 11.6 +/- 3.05 30.3 +/- 3.05 0.170 / 0.340 G31 175.8 37.0 10.8 +/- 2.14 16.5 +/- 2.14 0.040 / 0.040 G32 352.8 71.7 7.8 +/- 0.59 8.1 +/- 0.59 0.040 / 0.050