PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/08/04-23:13:00 G10 271.4 41.8 10.3 +/- 1.53 14.5 +/- 1.53 0.140 / 0.190 G13 40.0 14.5 6.7 +/- 1.92 17.0 +/- 1.92 0.110 / 0.220 G15 55.6 46.0 8.5 +/- 0.63 11.3 +/- 0.63 0.170 / 0.780 G16 276.1 11.3 10.1 +/- 3.53 27.2 +/- 3.53 0.160 / 0.610 G20 304.6 61.5 10.7 +/- 0.87 12.0 +/- 0.87 0.040 / 0.060 G21 10.0 73.4 9.7 +/- 0.95 10.1 +/- 0.95 0.050 / 0.060 G24 118.6 16.2 10.5 +/- 2.27 25.5 +/- 2.27 0.130 / 0.360 G27 317.4 21.0 8.2 +/- 3.91 17.5 +/- 3.91 0.150 / 0.300 G29 167.3 27.4 11.5 +/- 1.47 21.4 +/- 1.47 0.060 / 0.070 G32 204.7 11.5 10.3 +/- 32.00 27.8 +/- 32.00 0.050 / 0.070