DORIS (satellite system)
DORIS is a French satellite system used for the determination of satellite orbits (e.g. TOPEX/Poseidon) and for positioning. The name is an acronym of "Doppler Orbitography and Radiopositioning Integrated by Satellite" or, in French, Détermination d'Orbite et Radiopositionnement Intégré par Satellite.
The DORIS antenna and receiver installed onboard OSTM/Jason-2 satellite | |
| Country/ies of origin | France |
|---|---|
| Operator(s) | CNES |
| Type | Civilian |
| Status | Operational |
| Constellation size | |
| Nominal satellites | 0 (ground transmitters only) |
| First launch | 1990 |
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