Registered SO during ionospheric observations

NORAD Name RCS dT dR sd H dt N S/N (avg) R (avg)
37931 "SHIYAN 4 (SY-4)" 1.2108 0 0.959 0 0 km 77.577 sec 56 5.953 842.483 km

N Time Hours Freq (kHz) R(km) V S/N dFi Mirror
1 10:14:22.016 10.239449 159800 861.604 -2.181 4.2634 -9.351
2 10:14:22.171 10.239492 159800 861.604 -2.055 4.8089 -11.364
3 10:14:22.344 10.23954 159800 861.004 -2.004 4.2493 -11.301
4 10:14:22.499 10.239583 159800 861.604 -1.967 2.8557 -1.741
5 10:14:24.018 10.240005 159500 854.409 -2.011 1.4212 -47.826
6 10:14:24.140 10.240039 159500 857.406 -2.029 2.8373 7.74
7 10:14:24.187 10.240052 159500 857.406 -2.007 3.1975 30.442
8 10:14:24.299 10.240083 159500 855.907 -1.996 4.8009 -81.064
9 10:14:24.342 10.240095 159500 857.406 -2.01 5.002 117.417
10 10:14:24.468 10.24013 159500 857.406 -1.976 6.7928 -38.61
11 10:14:24.518 10.240144 159500 857.406 -1.976 7.4619 -156.812
12 10:14:24.623 10.240173 159500 857.406 -1.976 8.8691 54.242
13 10:14:24.673 10.240187 159500 855.907 -1.99 8.4037 101.202
14 10:14:24.796 10.240221 159500 855.907 -1.981 7.9234 -133.676
15 10:14:24.842 10.240234 159500 854.409 -1.964 8.5 30.936
16 10:14:24.954 10.240265 159500 855.907 -1.923 6.8208 -38.365
17 10:14:25.001 10.240278 159500 855.907 -1.928 6.3996 2.089
18 10:14:25.127 10.240313 159500 855.907 -1.937 4.9605 112.885
19 10:14:25.156 10.240321 159500 854.409 -1.943 3.7963 166.902
20 10:14:25.282 10.240356 159500 854.409 -1.927 2.167 170.148
21 10:14:25.328 10.240369 159500 854.409 -1.88 1.8704 -22.723
22 10:14:50.766 10.247435 155800 824.429 -0.726 2.9094 -33.924
23 10:14:50.921 10.247478 155800 824.429 -0.748 5.6396 -4.128
24 10:14:50.921 10.247478 155800 823.83 -0.38 3.7174 -4.128
25 10:14:51.094 10.247526 155800 824.429 -0.382 9.2388 -24.158
26 10:14:51.248 10.247569 155800 824.429 -0.434 10.1521 -25.51
27 10:14:51.421 10.247617 155800 823.83 -0.33 10.2623 -22.978
28 10:14:51.580 10.247661 155800 823.83 -0.487 8.6055 -22.633
29 10:14:51.749 10.247708 155800 823.83 -0.276 5.712 -21.006
30 10:14:51.907 10.247752 155800 823.23 -0.644 2.9393 -26.111
31 10:14:52.562 10.247934 155500 821.431 -0.404 1.9924 -101.606
32 10:14:52.613 10.247948 155500 822.93 -0.373 2.8553 -39.348
33 10:14:52.735 10.247982 155500 824.429 -0.358 4.5819 -125.37
34 10:14:52.768 10.247991 155500 822.93 -0.319 6.3 145.749
35 10:14:52.890 10.248025 155500 824.429 -0.342 8.6324 45.104
36 10:14:52.937 10.248038 155500 822.93 -0.331 9.9242 -171.498
37 10:14:53.063 10.248073 155500 822.93 -0.322 12.4751 -100.099
38 10:14:53.092 10.248081 155500 822.93 -0.312 12.9851 123.315
39 10:14:53.218 10.248116 155500 822.93 -0.324 14.1318 44.585
40 10:14:53.268 10.24813 155500 822.93 -0.306 14.9309 -159.979
41 10:14:53.390 10.248164 155500 822.93 -0.301 12.9139 -56.938
42 10:14:53.423 10.248173 155500 822.93 -0.295 11.7625 -32.544
43 10:14:53.545 10.248207 155500 822.93 -0.293 9.6244 -130.299
44 10:14:53.592 10.24822 155500 822.93 -0.282 8.5299 -148.633
45 10:14:53.722 10.248256 155500 822.93 -0.249 5.6501 -34.39
46 10:14:53.750 10.248264 155500 822.93 -0.274 4.8211 -110.119
47 10:14:53.876 10.248299 155500 822.93 -0.381 2.6472 148.556
48 10:14:53.923 10.248312 155500 822.93 -0.226 1.9266 -18.181
49 10:15:38.732 10.260759 159500 873.895 2.342 1.3585 -147.73 ✓
50 10:15:38.891 10.260803 159500 878.392 2.359 1.2727 -55.865 ✓
51 10:15:38.941 10.260817 159500 881.39 2.305 1.5731 39.309 ✓
52 10:15:39.064 10.260851 159500 873.895 2.303 1.358 -60.73 ✓
53 10:15:39.092 10.260859 159500 881.39 2.476 1.1875 -113.289 ✓
54 10:15:39.265 10.260907 159500 876.893 2.368 1.4702 -4.741 ✓