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Radio

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Radio Sport 3 Credit: Manufacturer Image

AKA: Radio Sputnik;ROSTO RS;RS. Status: Operational 1978. First Launch: 1978-10-26. Last Launch: 1994-12-26. Number: 9 . Gross mass: 72 kg (158 lb).

Radio-ROSTO (Russian Defense, Sport, and Technical Organization) was a small amateur radio satellite launched on the maiden orbital mission of the Rokot booster on 26 December 1994. The 72-kg spacecraft used the obsolete Strela-1M communications satellite bus. The payload was the BRTK-11 electronic billboard (aka RS15) for use by amateur radio operators. The transponders worked at an uplink frequency band of 145.857-145.897 MHz and a downlink frequency band of 29.357-29.397 MHz with an output power of 5 W. Radio-ROSTO was inserted into an orbit of 1,884 km by 2,161 km at an inclination of 64.8 degrees. Plans for a commercial constellation of these satellites did not come to pass.

Radio-ROSTO was seen as the precursor to a proposed constellation of Radio-M spacecraft. Also launched by Rokot but into orbits of 950 to 1,000 km at 65 degrees, the network would consist of up to six spacecraft working with uplink and downlink frequencies of 435 MHz and 146 MHz and an output transmitter power of 20 W. Radio-M spacecraft would have been nearly twice as heavy, with a total mass of 120 kg. An alternative system would consist of six Radio-ROSTO class spacecraft in circular orbits near 1,950 km at inclinations of 65 degrees. The Radio program dated back to the piggyback launch of Radio-1 and Radio-2 in 1978, followed by Radio-3 through Radio-8 in 1981. Subsequent Radio transponders were carried by other host spacecraft.

Photo Gallery

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Radio-ROSTO RS-15 Credit: Manufacturer Image

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• Radio-2; Radio Sputnik 2 - . Payload: RS-2. Mass: 40 kg (88 lb). Nation: Russia. Agency: MO. Class: Communications. Type: Amateur radio communications satellite. Spacecraft Bus: Strela-1. Spacecraft: Radio. USAF Sat Cat: 11086 . COSPAR: 1978-100C. Apogee: 1,705 km (1,059 mi). Perigee: 1,686 km (1,047 mi). Inclination: 82.60 deg. Period: 120.30 min. Launched with Cosmos-1045. Amateur radiocommunication and scientific and technical experiments and study projects by students at higher educational establishments..

• Radio Sputnik 1 - . Payload: RS-1. Mass: 40 kg (88 lb). Nation: Russia. Agency: MO. Class: Communications. Type: Amateur radio communications satellite. Spacecraft Bus: Strela-1. Spacecraft: Radio. USAF Sat Cat: 11085 . COSPAR: 1978-100B. Apogee: 1,707 km (1,060 mi). Perigee: 1,686 km (1,047 mi). Inclination: 82.60 deg. Period: 120.40 min. Launched with Cosmos-1045. Amateur radiocommunication and scientific and technical experiments and study projects by students at higher educational establishments..

• Radio-3; Radio Sputnik 3 - . Payload: RS-3. Mass: 72 kg (158 lb). Nation: Russia. Agency: Iskra bureau. Class: Communications. Type: Amateur radio communications satellite. Spacecraft Bus: Strela-1. Spacecraft: Radio. USAF Sat Cat: 12997 . COSPAR: 1981-120A. Apogee: 1,657 km (1,029 mi). Perigee: 1,565 km (972 mi). Inclination: 83.00 deg. Period: 118.50 min. Amateur radiocommunication. Radio-3 to Radio-8 launched by a single carrier rocket. .

• Radio-4; Radio Sputnik 4 - . Payload: RS-6. Mass: 72 kg (158 lb). Nation: Russia. Agency: Iskra bureau. Class: Communications. Type: Amateur radio communications satellite. Spacecraft Bus: Strela-1. Spacecraft: Radio. USAF Sat Cat: 13000 . COSPAR: 1981-120D. Apogee: 1,666 km (1,035 mi). Perigee: 1,635 km (1,015 mi). Inclination: 83.00 deg. Period: 119.30 min. Amateur radiocommunication. Radio-3 to Radio-8 launched by a single carrier rocket. .

• Radio-8; Radio Sputnik 8 - . Payload: RS-4. Mass: 72 kg (158 lb). Nation: Russia. Agency: Iskra bureau. Class: Communications. Type: Amateur radio communications satellite. Spacecraft Bus: Strela-1. Spacecraft: Radio. USAF Sat Cat: 12998 . COSPAR: 1981-120B. Apogee: 1,682 km (1,045 mi). Perigee: 1,652 km (1,026 mi). Inclination: 83.00 deg. Period: 119.70 min. Amateur radiocommunication. Radio-3 to Radio-8 launched by a single carrier rocket. .

• Radio-7; Radio Sputnik 7 - . Payload: RS-7. Mass: 72 kg (158 lb). Nation: Russia. Agency: Iskra bureau. Class: Communications. Type: Amateur radio communications satellite. Spacecraft Bus: Strela-1. Spacecraft: Radio. USAF Sat Cat: 13001 . COSPAR: 1981-120E. Apogee: 1,661 km (1,032 mi). Perigee: 1,622 km (1,007 mi). Inclination: 83.00 deg. Period: 119.10 min. Amateur radiocommunication. Radio-3 to Radio-8 launched by a single carrier rocket. .

• Radio-5; Radio Sputnik 5 - . Payload: RS-5. Mass: 72 kg (158 lb). Nation: Russia. Agency: Iskra bureau. Class: Communications. Type: Amateur radio communications satellite. Spacecraft Bus: Strela-1. Spacecraft: Radio. USAF Sat Cat: 12999 . COSPAR: 1981-120C. Apogee: 1,668 km (1,036 mi). Perigee: 1,647 km (1,023 mi). Inclination: 83.00 deg. Period: 119.50 min. Amateur radiocommunication. Radio-3 to Radio-8 launched by a single carrier rocket. .

• Radio-6; Radio Sputnik 6 - . Payload: RS-8. Mass: 72 kg (158 lb). Nation: Russia. Agency: Iskra bureau. Class: Communications. Type: Amateur radio communications satellite. Spacecraft Bus: Strela-1. Spacecraft: Radio. USAF Sat Cat: 13002 . COSPAR: 1981-120F. Apogee: 1,660 km (1,030 mi). Perigee: 1,580 km (980 mi). Inclination: 83.00 deg. Period: 118.60 min. Amateur radiocommunication. Radio-3 to Radio-8 launched by a single carrier rocket. .

• Radio-ROSTO RS-15 - . Payload: RS-15. Mass: 70 kg (154 lb). Nation: Russia. Agency: RAKA. Class: Communications. Type: Amateur radio communications satellite. Spacecraft Bus: Strela-1. Spacecraft: Radio. USAF Sat Cat: 23439 . COSPAR: 1994-085A. Apogee: 2,151 km (1,336 mi). Perigee: 1,894 km (1,176 mi). Inclination: 64.80 deg. Period: 127.70 min.