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 0.006 0 0 km 33.841 sec 87 9.857 849.47 km

N Time Hours Freq (kHz) R(km) V S/N dFi Mirror
1 10:16:04.912 10.268031 159800 872.396 -2.3 2.3544 -6.463
2 10:16:05.066 10.268074 159800 871.796 -2.035 4.8198 -21.452
3 10:16:05.239 10.268122 159800 871.796 -2.127 8.2769 -25.637
4 10:16:05.398 10.268166 159800 871.796 -2.171 11.5708 -27.519
5 10:16:05.567 10.268213 159800 871.197 -2.11 14.1561 -32.95
6 10:16:05.722 10.268256 159800 871.197 -2.097 14.1204 -28.185
7 10:16:05.894 10.268304 159800 870.597 -1.962 12.0879 -29.192
8 10:16:06.053 10.268348 159800 869.998 -1.956 8.753 -31.612
9 10:16:06.222 10.268395 159800 869.998 -2.046 5.7252 -26.477
10 10:16:06.380 10.268439 159800 869.398 -1.841 2.4884 -27.351
11 10:16:06.586 10.268496 159500 863.402 -2.064 1.2435 -56.679
12 10:16:06.708 10.26853 159500 869.398 -1.991 1.6974 107.002
13 10:16:06.866 10.268574 159500 866.4 -2.097 1.8502 172.656
14 10:16:06.910 10.268586 159500 866.4 -1.925 1.6372 -33.283
15 10:16:07.036 10.268621 159500 867.899 -2.081 1.7644 93.549
16 10:16:07.082 10.268634 159500 866.4 -2 1.5859 93.63
17 10:16:07.190 10.268664 159500 866.4 -2.123 1.486 -139.898
18 10:16:07.241 10.268678 159500 863.402 -2.02 1.375 -37.304
19 10:16:07.363 10.268712 159500 869.398 -2.031 2.1087 -164.69
20 10:16:07.410 10.268725 159500 866.4 -2.044 2.9258 144.046
21 10:16:07.522 10.268756 159500 866.4 -2.081 5.132 85.731
22 10:16:07.565 10.268768 159500 866.4 -2.005 6.0615 35.351
23 10:16:07.694 10.268804 159500 866.4 -2.003 9.6815 100.818
24 10:16:07.738 10.268816 159500 866.4 -2.003 11.3045 -152.391
25 10:16:07.849 10.268847 159500 866.4 -2 16.5021 11.474
26 10:16:07.896 10.26886 159500 866.4 -1.986 17.2231 -166.919
27 10:16:08.018 10.268894 159500 866.4 -1.99 21.1856 87.795
28 10:16:08.069 10.268908 159500 866.4 -1.974 23.9566 42.829
29 10:16:08.177 10.268938 159500 866.4 -1.988 26.1078 -32.019
30 10:16:08.220 10.26895 159500 866.4 -1.964 26.1794 63.82
31 10:16:08.350 10.268986 159500 864.901 -1.976 25.5369 129.617
32 10:16:08.378 10.268994 159500 864.901 -1.962 24.5023 -99.485
33 10:16:08.508 10.26903 159500 864.901 -1.942 20.2436 79.706
34 10:16:08.551 10.269042 159500 864.901 -1.948 18.9494 -101.476
35 10:16:08.677 10.269077 159500 864.901 -1.961 13.7975 158.878
36 10:16:08.710 10.269086 159500 864.901 -1.941 12.7926 133.925
37 10:16:08.832 10.26912 159500 864.901 -1.954 8.0465 86.898
38 10:16:08.882 10.269134 159500 863.402 -1.927 6.7324 -115.974
39 10:16:09.005 10.269168 159500 863.402 -1.919 2.8802 170.362
40 10:16:09.034 10.269176 159500 866.4 -1.945 2.3777 -126.917
41 10:16:09.660 10.26935 159500 867.899 -1.832 1.2763 -167.244
42 10:16:09.692 10.269359 159500 860.404 -2.033 1.2569 157.468
43 10:16:33.816 10.27606 155800 833.423 -0.474 1.4704 -31.43
44 10:16:33.989 10.276108 155800 832.823 -0.665 1.4549 -44.797
45 10:16:34.471 10.276242 155800 832.224 -0.447 1.8033 -2.537
46 10:16:34.644 10.27629 155800 832.823 -0.646 5.4338 -44.273
47 10:16:34.802 10.276334 155800 833.423 -0.543 10.3101 -48.196
48 10:16:34.972 10.276381 155800 833.423 -0.53 16.1201 -54.631
49 10:16:34.972 10.276381 155800 832.823 -0.441 11.3552 -54.631
50 10:16:35.130 10.276425 155800 832.823 -0.495 20.5544 -53.645
51 10:16:35.303 10.276473 155800 832.823 -0.467 21.044 -51.673
52 10:16:35.458 10.276516 155800 832.823 -0.356 17.5189 -48.644
53 10:16:35.630 10.276564 155500 830.425 -0.215 1.0601 110.858
54 10:16:35.630 10.276564 155800 832.823 -0.389 12.6351 -38.416
55 10:16:35.789 10.276608 155800 832.823 -0.197 6.6042 -43.065
56 10:16:35.832 10.27662 155500 831.924 -0.294 1.8257 3.669
57 10:16:35.958 10.276655 155800 832.224 -0.659 3.1451 -37.113
58 10:16:35.990 10.276664 155500 834.922 -0.411 1.7312 168.869
59 10:16:36.113 10.276698 155500 831.924 -0.32 1.7767 7.514
60 10:16:36.160 10.276711 155500 830.425 -0.343 1.9389 81.394
61 10:16:36.286 10.276746 155500 828.926 -0.413 1.6073 -163.951
62 10:16:36.314 10.276754 155500 831.924 -0.308 1.9569 33.076
63 10:16:36.444 10.27679 155500 831.924 -0.412 3.0139 92.974
64 10:16:36.487 10.276802 155500 833.423 -0.338 3.677 69.714
65 10:16:36.613 10.276837 155500 833.423 -0.372 7.2392 -66.882
66 10:16:36.613 10.276837 155500 833.423 -0.362 3.8772 -66.882
67 10:16:36.646 10.276846 155500 831.924 -0.343 8.3194 114.889
68 10:16:36.768 10.27688 155500 831.924 -0.346 14.7218 -23.367
69 10:16:36.818 10.276894 155500 831.924 -0.336 15.5306 110.564
70 10:16:36.941 10.276928 155500 831.924 -0.338 19.904 80.084
71 10:16:36.973 10.276937 155500 831.924 -0.32 22.8719 -69.922
72 10:16:37.099 10.276972 155500 831.924 -0.33 26.2191 115.327
73 10:16:37.146 10.276985 155500 831.924 -0.306 26.4879 -171.951
74 10:16:37.272 10.27702 155500 831.924 -0.311 25.1275 104.822
75 10:16:37.301 10.277028 155500 831.924 -0.308 25.3939 -64.938
76 10:16:37.427 10.277063 155500 831.924 -0.288 21.0756 13.166
77 10:16:37.474 10.277076 155500 831.924 -0.291 19.8136 -76.372
78 10:16:37.596 10.27711 155500 831.924 -0.27 14.5443 82.49
79 10:16:37.632 10.27712 155500 831.924 -0.296 12.1324 62.603
80 10:16:37.754 10.277154 155500 831.924 -0.29 7.9219 -96.634
81 10:16:37.801 10.277167 155500 831.924 -0.252 6.6143 57.72
82 10:16:37.927 10.277202 155500 833.423 -0.276 2.9343 169.018
83 10:16:37.956 10.27721 155500 834.922 -0.23 2 43.905
84 10:16:38.410 10.277336 155500 831.924 -0.31 1.7036 -119.965
85 10:16:38.582 10.277384 155500 830.425 -0.335 1.587 61.298