Matches in DBpedia 2015-10 for { <http://dbpedia.org/resource/Project_Echo> ?p ?o }
- Project_Echo abstract "Project Echo was the first passive communications satellite experiment. Each of the two American spacecraft, launched in 1960 and 1964, was a metalized balloon satellite acting as a passive reflector of microwave signals. Communication signals were bounced off them from one point on Earth to another.".
- Project_Echo thumbnail Echo-1.jpg?width=300.
- Project_Echo wikiPageID "948738".
- Project_Echo wikiPageLength "15583".
- Project_Echo wikiPageOutDegree "60".
- Project_Echo wikiPageRevisionID "681879619".
- Project_Echo wikiPageWikiLink AO-51.
- Project_Echo wikiPageWikiLink Amateur_radio_satellite.
- Project_Echo wikiPageWikiLink American_Astronomical_Society.
- Project_Echo wikiPageWikiLink Arno_Allan_Penzias.
- Project_Echo wikiPageWikiLink Arno_Penzias.
- Project_Echo wikiPageWikiLink Balloon_satellite.
- Project_Echo wikiPageWikiLink Bell_Laboratories.
- Project_Echo wikiPageWikiLink Bell_Labs.
- Project_Echo wikiPageWikiLink BoPET.
- Project_Echo wikiPageWikiLink Cape_Canaveral_Air_Force_Station.
- Project_Echo wikiPageWikiLink Cape_Canaveral_Air_Force_Station_Space_Launch_Complex_17.
- Project_Echo wikiPageWikiLink Category:1960_in_spaceflight.
- Project_Echo wikiPageWikiLink Category:1964_in_spaceflight.
- Project_Echo wikiPageWikiLink Category:Articles_containing_video_clips.
- Project_Echo wikiPageWikiLink Category:Communications_satellites_in_low_Earth_orbit.
- Project_Echo wikiPageWikiLink Category:Passive_satellites.
- Project_Echo wikiPageWikiLink Category:Spacecraft_launched_in_1960.
- Project_Echo wikiPageWikiLink Category:Spacecraft_launched_in_1964.
- Project_Echo wikiPageWikiLink Communications_satellite.
- Project_Echo wikiPageWikiLink Cosmic_microwave_background.
- Project_Echo wikiPageWikiLink Cosmic_microwave_background_radiation.
- Project_Echo wikiPageWikiLink Courier_1B.
- Project_Echo wikiPageWikiLink Geodesy.
- Project_Echo wikiPageWikiLink Gilmore_Schjeldahl.
- Project_Echo wikiPageWikiLink Holmdel_Horn_Antenna.
- Project_Echo wikiPageWikiLink List_of_communications_satellite_firsts.
- Project_Echo wikiPageWikiLink Low_Earth_orbit.
- Project_Echo wikiPageWikiLink Meteorite.
- Project_Echo wikiPageWikiLink Micrometeoroid.
- Project_Echo wikiPageWikiLink Micrometeoroids.
- Project_Echo wikiPageWikiLink Microwave.
- Project_Echo wikiPageWikiLink Moscow.
- Project_Echo wikiPageWikiLink NASA.
- Project_Echo wikiPageWikiLink NiCd.
- Project_Echo wikiPageWikiLink Nickel–cadmium_battery.
- Project_Echo wikiPageWikiLink Nobel_Prize.
- Project_Echo wikiPageWikiLink Northfield,_Minnesota.
- Project_Echo wikiPageWikiLink OSCAR.
- Project_Echo wikiPageWikiLink OV1-08_PasComSat.
- Project_Echo wikiPageWikiLink PAGEOS.
- Project_Echo wikiPageWikiLink PET_film_(biaxially_oriented).
- Project_Echo wikiPageWikiLink PasComSat.
- Project_Echo wikiPageWikiLink Portmanteau.
- Project_Echo wikiPageWikiLink Project_SCORE.
- Project_Echo wikiPageWikiLink Radio.
- Project_Echo wikiPageWikiLink Reflection_(physics).
- Project_Echo wikiPageWikiLink Robert_Woodrow_Wilson.
- Project_Echo wikiPageWikiLink SCORE_(satellite).
- Project_Echo wikiPageWikiLink Solar_sail.
- Project_Echo wikiPageWikiLink Sphericity.
- Project_Echo wikiPageWikiLink Sublimation_(phase_transition).
- Project_Echo wikiPageWikiLink Telephone.
- Project_Echo wikiPageWikiLink Television.
- Project_Echo wikiPageWikiLink Telstar.
- Project_Echo wikiPageWikiLink Thor-Agena.
- Project_Echo wikiPageWikiLink Thor-Agena_B.
- Project_Echo wikiPageWikiLink Thor-Delta.
- Project_Echo wikiPageWikiLink Thor_Agena.
- Project_Echo wikiPageWikiLink TransHab.
- Project_Echo wikiPageWikiLink U.S._space_exploration_history_on_U.S._stamps.
- Project_Echo wikiPageWikiLink Vandenberg_Air_Force_Base.
- Project_Echo wikiPageWikiLink Weeksville_Dirigible_Hangar.
- Project_Echo wikiPageWikiLink File:Echo-1.jpg.
- Project_Echo wikiPageWikiLink File:Echo_II.jpg.
- Project_Echo wikiPageWikiLink File:Echo_I_1960_Issue-4c.jpg.
- Project_Echo wikiPageWikiLinkText "ECHO I".
- Project_Echo wikiPageWikiLinkText "ECHO II".
- Project_Echo wikiPageWikiLinkText "Echo 1 and 2".
- Project_Echo wikiPageWikiLinkText "Echo 1".
- Project_Echo wikiPageWikiLinkText "Echo 1A".
- Project_Echo wikiPageWikiLinkText "Echo Satellites 1 and 2".
- Project_Echo wikiPageWikiLinkText "Echo satellite".
- Project_Echo wikiPageWikiLinkText "Echo".
- Project_Echo wikiPageWikiLinkText "Project Echo".
- Project_Echo wikiPageWikiLinkText "the ECHO satellite".
- Project_Echo apoapsis "1029.0".
- Project_Echo apoapsis "1524.0".
- Project_Echo batteries NiCd.
- Project_Echo batteries Nickel–cadmium_battery.
- Project_Echo caption "Echo 1 sits fully inflated at a Navy hangar in Weeksville, North Carolina".
- Project_Echo caption "Echo 2 undergoing tensile stress test in a dirigible hangar at Weeksville, North Carolina".
- Project_Echo decay "1968-05-24".
- Project_Echo decay "1969-06-07".
- Project_Echo description ""Big Bounce, The"".
- Project_Echo description "15.0".
- Project_Echo dimensions "1828.8".
- Project_Echo dimensions "2460.0".
- Project_Echo eccentricity "0.01002".
- Project_Echo eccentricity "0.01899".
- Project_Echo hasPhotoCollection Project_Echo.
- Project_Echo id "1958-12-22".
- Project_Echo id "1960-08-15".
- Project_Echo launchDate "34783.0".
- Project_Echo launchDate "50344.0".