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Cosmos 1861



General


Designation 18129 / 87054A
Launch date 23 Jun 1987
Country of origin CIS
Mission Navigation ( Tsikada)
Perigee/Apogee 996/996 km
Inclination 82.9°
Period 104.9 min
Launch vehicle Cosmos C
Launch site Plesetsk

Technical data


Plane 12

Radio Sputnik 10


beacon/robot 29.357 Mhz (cw)
beacon/robot 29.403 Mhz (cw)
mode a uplink 145.860 - 145.900 Mhz (ssb,cw)
mode a downlink 29.360 - 29.400 Mhz (ssb,cw)
robot a uplink 145.820 Mhz (cw)
robot a downlink 29.357 or 29.403 Mhz (cw)
beacon/robot 29.357 Mhz (cw)
beacon/robot 29.403 Mhz (cw)
mode k uplink 21.160 - 21.200 Mhz (ssb,cw)
mode k downlink 29.360 - 29.400 Mhz (ssb,cw)
robot k uplink 21.120 Mhz (cw)
robot k downlink 29.357 or 29.403 Mhz (cw)
beacon/robot 145.857 Mhz (cw)
beacon/robot 145.903 Mhz (cw)
mode t uplink 21.160 - 21.200 Mhz (ssb,cw)
mode t downlink 145.860 - 145.900 Mhz (ssb,cw)
robot t uplink 21.120 Mhz (cw)
robot t downlink 145.857 or 145.903 Mhz (cw)


Radio Sputnik 11


beacon/robot 29.407 Mhz (cw)
beacon/robot 29.453 Mhz (cw)
mode a uplink 145.910 - 145.950 Mhz (ssb,cw)
mode a downlink 29.410 - 29.450 Mhz (ssb,cw)
robot a uplink 145.830 Mhz (cw)
robot a downlink 29.407 or 29.453 Mhz (cw)
beacon/robot 29.407 Mhz (cw)
beacon/robot 29.453 Mhz (cw)
mode k uplink 21.210 - 21.250 Mhz (ssb,cw)
mode k downlink 29.410 - 29.450 Mhz (ssb,cw)
robot k uplink 21.130 Mhz (cw)
robot k downlink 29.407 or 29.453 Mhz (cw)
beacon/robot 145.907 Mhz (cw)
beacon/robot 145.953 Mhz (cw)
mode t uplink 21.210 - 21.250 Mhz (ssb,cw)
mode t downlink 145.910 - 145.950 Mhz (ssb,cw)
robot t uplink 21.130 Mhz (cw)
robot t downlink 145.907 or 145.953 Mhz (cw)

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