SPACEWARN Bulletin Number 457


C. Spacecraft Particularly Suited for International Participation: Category I


Spacecraft with essentially continuous radio beacons on frequencies less than 150 MHz, or higher frequencies if especially suited for ionospheric or geodetic studies.(Square brackets indicate updated information since the last issue.) SPACEWARN would appreciate suggestions to update this list. SPACEWARN appreciates the updates in this section supplied by Keith Stein, Springfield, Virginia.


Designation,          Epoch, Frequency, Power,
National Name         and Orbit Information       Remarks

1966-110A (02608)     June 16, 1988               Weak signals.
ATS 1                 137.35 MHz                  VHF translator on ~12 hr/day.
                      Inclination: 14.0 deg
1967-111A (03029)     June 16, 1988               Weak signals.
ATS 3                 136.37 MHz
                      137.35 MHz
                      Location: 105 deg W
                      Inclination: 12.1 deg
1973-081A (06909)     September 15, 1988          Operational transit.
OSCAR (NAV) 20        150 MHz at 0.75 W           Also known as NNSS 30200.
                      400 MHz at 1.25 W
                      Inclination: 89.9 deg
1975-100A (08366)     June 29,1991
GOES 1                136.38 MHz  
                      Location: 81.2 deg W
                      Inclination: 10.5 deg
1977-048A (10061)     September 19, 1991
GOES 2                136.38 MHz
                      Location: 59.8 deg W
                      Inclination: 9.1 deg
1978-012A (10637)     September 28, 1991
IUE                   136.86 MHz
                      Inclination: 33.004 deg
1978-062A (10953)     September 23, 1991
GOES 3                136.38 MHz
                      Location: 173.9 deg W
                      Inclination: 8.0 deg
1981-044A (12458)     March 4, 1991               Stored in orbit at maintenance
NOVA I                150 MHz at 3.00 W           frequency.
                      400 MHz at 5.00 W           Also known as NNSS 30480.
                      Inclination: 90.0 deg
1981-057A (12544)     September 12, 1991
METEOSAT 2            137.078 MHz
                      Location: 10 deg W
                      Inclination: 4 deg
1984-110A (13562)     September 15, 1988          Operational transit.
NOVA III              150 MHz at 3.00 W           Also known as NNSS 30500.
                      400 MHz at 5.00 W
                      Inclination: 90.0 deg
1984-114B (13586)     September 24, 1991
MARECS-B2             137.17 MHz
                      Location: 55.5 deg W
                      Inclination: 2.4 deg
1984-123A (15427)     October 12, 1991
NOAA 9                137.62 MHz
                      Inclination: 99.165 deg
1985-066B (15936)     February 26, 1991           Stored in orbit at maintenance
OSCAR (NAV) 30        150 MHz at 1.00 W           frequency.
                      400 MHz at 2.00 W           Also known as NNSS 30300.
                      Inclination: 89.9 deg
[1986-017A (16609)     October 27, 1991      ]
[MIR                   145.550 MHz           ]
[                      Inclination 51.604 deg]
1986-073A (16969)     October 9, 1991
NOAA 10               137.50 MHz
                      Inclination: 98.558 deg
1986-086A (17066)     July 18, 1991
COSMOS 1791           150 MHz
                      400 MHz
                      Inclination: 82.945 deg
1986-088A (17070)     September 15, 1988          Experimental.
POLAR BEAR            150 MHz at 0.75 W           Also known as NNSS 30170.
                      400 MHz at 1.25 W
                      Inclination: 89.9 deg
[1987-054A (18129)     October 27, 1991      ]
[COSMOS 1861           29.357 MHz            ]
[                      29.403 MHz            ]
[                      29.407 MHz            ]
[                      Inclination 82.926 deg]
1987-080A (18361)     December 5, 1988            Operational transit.
OSCAR (NAV) 27        150 MHz at 0.75 W           Also known as NNSS 30270.
                      400 MHz at 1.25 W
                      Inclination: 90.3 deg
1987-080B (18362)     February 7, 1991            Operational transit.
OSCAR (NAV) 29        150 MHz at 0.75 W           Also known as NNSS 30290.
                      400 MHz at 1.25 W
                      Inclination: 90.3 deg
1988-033A (19070)     January 31, 1989            Operational transit.
OSCAR (NAV) 23        150 MHz at 0.75 W           Also known as NNSS 30230.
                      400 MHz at 1.25 W
                      Inclination: 90.4 deg
1988-033B (19071)     February 26, 1991           Operational transit.
OSCAR (NAV) 32        150 MHz at 1.00 W           Also known as NNSS 30320.
                      400 MHz at 2.00 W
                      Inclination: 90.4 deg
1988-051A (19251)     September 12, 1991          Transmits on command.
METEOSAT 3            137.080 MHz 
                      Location: 50 deg 
1988-052A (19223)     September 15, 1988          Operational transit.
NOVA II               150 MHz at 3.00 W           Also known as NNSS 30490.
                      400 MHz at 5.00 W
                      Inclination: 90.0 deg
1988-074A (19419)     September 15, 1988          Stored in orbit at an offset
OSCAR (NAV) 25        150 MHz at 0.75 W           frequency.
                      400 MHz at 1.25 W           Also known as NNSS 30250.
                      Inclination: 90.0 deg
1988-074B (19420)     March 8, 1990               Stored in orbit at an offset
OSCAR (NAV) 31        150 MHz at 1.00 W           frequency.
                      400 MHz at 2.00 W           Also known as NNSS 30310.
                      Inclination: 98.971 deg
1988-089A (19531)     October 10, 1991
NOAA 11               136.77 MHz
                      137.77 MHz
                      Inclination: 99.043 deg
1989-017A (19826)     July 18, 1991
COSMOS 2004           149.94 MHz
                      399.84 MHz
                      Inclination: 82.955 deg
1989-042A (20045)     July 18, 1991
COSMOS 2026           149.97 MHz
                      399.92 MHz
                      Inclination: 82.941 deg
1990-017A (20508)     July 18, 1991
NADEZHDA-2            150 MHz
                      400 MHz
                      Inclination: 82.955 deg
1990-023A (20527)     July 19, 199                Not active, replaced by
COSMOS 2061           149.94 MHz                  1991-059A COSMOS 2154.
                      399.84 MHz
                      Inclination: 82.936 deg
1990-036A (20577)     July 19, 1991
COSMOS 2074           149.91 MHz
                      399.76 MHz
                      Inclination: 82.944 deg
1990-083A (20804)     July 18, 1991
COSMOS 2100           149.97 MHz
                      399.92 MHz
                      Inclination: 82.938 deg
[1990-086A (20826)     October 27, 1991      ]
[METEOR 2-20           137.850 MHz           ]
[                      Inclination 82.530 deg]
1991-007A (21089)     July 18, 1991
COSMOS 2123           150 MHz
                      400 MHz
                      Inclination: 82.923 deg
1991-019A (21152)     July 18, 1991
NADEZHDA-3            150 MHz
                      400 MHz
                      Inclination: 82.929 deg
1991-029A (21230)     July 18, 1991
COSMOS 2142           150.03 MHz
                      400.08 MHz
                      Inclination: 82.953 deg
[1991-030A (21232)     October 27, 1991      ]
[METEOR 3-4            137.300 MHz           ]
[                      Inclination 82.548 deg]
[1991-032A (21236)     October 28, 1991      ]
[NOAA 12               137.500 MHz           ]
[                      Inclination 98.723 deg]
1991-059A (21666)     September 29, 1991          Replacing 1990-023A COSMOS
COSMOS 2154           149.94 MHz                  2061, in plane #3 on September
                      399.84 MHz                  4, 1991.
                      Inclination: 82.909 deg


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Page Curator:
Dr. Edwin V. Bell, II, ed.bell@gsfc.nasa.gov, +1-301-286-1187
NSSDC, Mail Code 633, NASA Goddard Space Flight Center, Greenbelt, MD 20771

NASA Official: J. H. King, joe.king@gsfc.nasa.gov
Last updated: 23 May 1995, EVB II