Statements (20)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:satellite
|
| gptkbp:Echo_1 |
launched from Cape Canaveral
|
| gptkbp:Echo_2 |
launched January 25, 1964
|
| gptkbp:endDate |
1964
|
| gptkbp:fullName |
gptkb:Experimental_Communications_Satellite_Program
|
| https://www.w3.org/2000/01/rdf-schema#label |
ECHO Program
|
| gptkbp:launchDate |
August 12, 1960
|
| gptkbp:launchedSatellite |
gptkb:Echo_1
gptkb:Echo_2 |
| gptkbp:notableAchievement |
first passive communications satellite
|
| gptkbp:operatedBy |
gptkb:NASA
|
| gptkbp:purpose |
satellite communications
|
| gptkbp:satelliteDiameter |
30 meters
|
| gptkbp:satelliteShape |
metalized balloon
|
| gptkbp:startDate |
1959
|
| gptkbp:status |
retired
|
| gptkbp:supportsProtocol |
radio wave reflection
|
| gptkbp:technology |
passive satellite
|
| gptkbp:bfsParent |
gptkb:Port_of_Vancouver
|
| gptkbp:bfsLayer |
6
|