PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/08/13-01:58:00 G08 266.3 15.7 10.2 +/- 3.03 24.9 +/- 3.03 0.120 / 0.490 G10 73.1 54.2 9.9 +/- 0.21 11.9 +/- 0.21 0.100 / 0.400 G11 308.0 19.8 9.2 +/- 1.76 20.4 +/- 1.76 0.040 / 0.060 G14 278.2 68.4 10.4 +/- 0.58 11.1 +/- 0.58 0.040 / 0.060 G18 308.7 37.3 10.9 +/- 1.96 16.6 +/- 1.96 0.210 / 0.500 G20 101.2 32.4 9.5 +/- 0.71 15.9 +/- 0.71 0.150 / 0.530 G21 156.1 10.7 11.8 +/- 3.84 32.5 +/- 3.84 0.030 / 0.050 G27 227.8 12.5 12.7 +/- 2.61 33.6 +/- 2.61 0.030 / 0.040 G31 175.7 37.7 13.9 +/- 2.00 21.0 +/- 2.00 0.150 / 0.310 G32 354.8 71.3 9.6 +/- 0.64 10.0 +/- 0.64 0.140 / 0.330