Designations, 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) *October 25, 1992
GOES 2 136.38 MHz
Location: 68.2 deg W
Inclination: 9.4 deg
1978-012A (10637) December 26, 1991
IUE 136.86 MHz
Inclination: 33.201 deg
1978-062A (10953) *October 25, 1992
GOES 3 136.38 MHz
Location: 175.1 deg W
Inclination: 8.0 deg
1981-044A (12458) March 4, 1991 Stored in orbit at
NOVA I 150 MHz at 3.00 W maintenance frequency.
400 MHz at 5.00 W Also known as NNSS 30480.
Inclination: 90.0 deg
1981-122A (13010) December 15, 1991
MARECS-A 137.17 MHz
Location: 19.8 deg E
Inclination: 4.7 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) November 23, 1991
MARECS-B2 137.17 MHz
Location: 55.6 deg W
Inclination: 2.6 deg
1984-123A (15427) January 5, 1992
NOAA 9 137.62 MHz
Inclination: 99.158 deg
1985-066B (15936) February 26, 1991 Stored in orbit at
OSCAR (NAV) 30 150 MHz at 1.00 W maintenance 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) January 5, 1992
NOAA 10 137.50 MHz
Inclination: 98.549 deg
1986-086A (17066) July 18, 1991 INACTIVE. Replaced by COSMOS 2181.
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 W
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
OSCAR (NAV) 25 150 MHz at 0.75 W offset 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
OSCAR (NAV) 31 150 MHz at 1.00 W offset frequency.
400 MHz at 2.00 W Also known as NNSS 30310.
Inclination: 98.971 deg
1988-089A (19531) January 5, 1992
NOAA 11 136.77 MHz
137.77 MHz
Inclination: 99.059 deg
1989-017A (19826) July 18, 1991 INACTIVE. Replaced by COSMOS 2180.
COSMOS 2004 149.94 MHz
399.84 MHz
Inclination: 82.955 deg
1989-042A (20045) July 18, 1991 INACTIVE. Replaced by COSMOS 2135.
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
1990-036A (20577) July 19, 1991 INACTIVE. Replaced by COSMOS 2184.
COSMOS 2074 149.91 MHz
399.76 MHz
Inclination: 82.944 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
1991-13A July 8, 1992 INACTIVE. Replaced by COSMOS 2195.
COSMOS 2135 149.97 MHz
399.92 MHz
Inclination: 82.832 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
COSMOS 2154 149.94 MHz
399.84 MHz
Inclination: 82.909 deg
1991-081A (21796) December 13, 1991
COSMOS 2173 149.97 MHZ
388.84 MHz
Inclination: 82.955 deg
1992-08A April 23, 1992
COSMOS 2180 149.94 MHz
399.84 MHz
Inclination: 82.931 deg
1992-12A April 23, 1992
COSMOS 2181 150 MHz
400 MHz
Inclination: 82.948
1992-20A April 23, 1992
COSMOS 2184 149.91 MHz
399.76 MHz
Inclination: 82.934 deg
1992-36A (22006) July 8, 1992
COSMOS 2195 149.97 MHz
399.92 MHz
Inclination: 82.934
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