PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/08/22-01:12:50 G08 269.7 17.2 9.8 +/- 1.00 23.1 +/- 1.00 0.220 / 0.610 G10 67.0 56.0 8.7 +/- 0.93 10.3 +/- 0.93 0.180 / 0.330 G11 310.9 17.6 -3.6 +/- 16.99 -8.3 +/- 16.99 0.040 / 0.040 G14 268.6 66.3 9.1 +/- 0.81 9.8 +/- 0.81 0.040 / 0.050 G18 311.3 34.3 7.2 +/- 1.14 11.6 +/- 1.14 0.070 / 0.110 G20 97.9 34.8 7.7 +/- 1.01 12.2 +/- 1.01 0.060 / 0.100 G21 155.7 14.3 6.8 +/- 2.68 17.1 +/- 2.68 0.040 / 0.020 G27 230.4 14.9 10.8 +/- 3.24 26.9 +/- 3.24 0.030 / 0.020 G31 176.5 33.7 9.9 +/- 1.84 16.1 +/- 1.84 0.120 / 0.220 G32 345.1 73.4 8.3 +/- 0.31 8.6 +/- 0.31 0.290 / 0.250