Statements (14)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:satellite
|
| gptkbp:alsoKnownAs |
gptkb:Vortex_satellites
|
| https://www.w3.org/2000/01/rdf-schema#label |
Chalet satellites
|
| gptkbp:launchDate |
1978-1989
|
| gptkbp:numberOfSatellites |
at least 6
|
| gptkbp:operatedBy |
gptkb:National_Reconnaissance_Office
gptkb:United_States |
| gptkbp:orbitType |
geosynchronous orbit
|
| gptkbp:primaryMission |
electronic intelligence collection
|
| gptkbp:purpose |
signals intelligence
|
| gptkbp:replacedBy |
gptkb:Mercury_satellites
gptkb:Canyon_satellites |
| gptkbp:bfsParent |
gptkb:Vortex_satellites
|
| gptkbp:bfsLayer |
7
|