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S80/T [SSTL]

The S80/T satellite was built for CNES by Matra Marconi Space using the Surrey Satellite Technology Microbus (Uosat) bus. The 0.35 × 0.35m, 50 kg satellite had a 6-m gravity gradient mast. It was launched on 1992 Aug 10 on an ASAP Ariane from Kourou. S80/T carried an experimental 148/138 MHz transponder for tests of mobile communications and location-finding for a proposed, but later abandoned, LEO constellation named S80 or Taos.

The spacecraft finally suffered electrical failure due to total dose effects in October 1999.

Nation: France
Type / Application: Communication, experimental
Operator: CNES
Contractors: Matra Marconi Space (Prime), SSTL (Bus)
Equipment: 148/138 MHz transponder
Configuration: Microsat-70
Propulsion: None
Power: Solar cells, batteries
Mass: 50 kg
Orbit: 1302 km × 1328 km, 66.08
Satellite COSPAR Date LS Launch Vehicle Remarks
S-80/T 1992-052C 10.08.1992 Ko ELA-2 Ariane-42P H10 with TOPEX Poseidon, Kitsat 1


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