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- AMSAT-OSCAR_7 abstract "AO-7 (aka AMSAT-OSCAR 7) is the second Phase 2 amateur radio satellite constructed by AMSAT-NA, and it was launched into Low Earth Orbit on November 15, 1974. It remained operational until a battery failure in 1981. Then after 21 years of silence, the satellite was heard again on June 21, 2002 — 27 years after launch.AO-7 is the oldest amateur satellite still in use, and is one of the oldest operational communications satellites. It carries two amateur radio transponders. Its "Mode A" transponder has an uplink on the 2-meter band and a downlink on the 10-meter band. The "Mode B" transponder has an uplink on the 70-centimeter band and a downlink on the 2-meter band. AMSAT-OSCAR 7 also carries four beacons which are designed to operate on the 10 meter, 2 meter, 70 centimeter and 13-centimeter bands. The 13 cm beacon was never activated due to a change in international treaties.AMSAT reported AO-7 still operational on June 25, 2015, with reliable power only from its solar panels; the report stated the cause of the 21-year outage was a short circuit in the battery and the restoration of service was due to its becoming an open circuit. The satellite eclipses on every orbit during the northern summer and autumn; the rest of the year it is in continuous sunlight and alternates between transmission modes A and B. All transponders and beacons are operational.".
- AMSAT-OSCAR_7 cosparId "1974-089B".
- AMSAT-OSCAR_7 wikiPageExternalLink AMSAT.ORG.
- AMSAT-OSCAR_7 wikiPageID "16035100".
- AMSAT-OSCAR_7 wikiPageLength "6921".
- AMSAT-OSCAR_7 wikiPageOutDegree "28".
- AMSAT-OSCAR_7 wikiPageRevisionID "679943079".
- AMSAT-OSCAR_7 wikiPageWikiLink 10-meter_band.
- AMSAT-OSCAR_7 wikiPageWikiLink 13-centimeter_band.
- AMSAT-OSCAR_7 wikiPageWikiLink 2-meter_band.
- AMSAT-OSCAR_7 wikiPageWikiLink 70-centimeter_band.
- AMSAT-OSCAR_7 wikiPageWikiLink 70cm.
- AMSAT-OSCAR_7 wikiPageWikiLink AMSAT.
- AMSAT-OSCAR_7 wikiPageWikiLink AMSAT-OSCAR_6.
- AMSAT-OSCAR_7 wikiPageWikiLink Amateur_radio.
- AMSAT-OSCAR_7 wikiPageWikiLink Amateur_radio_satellite.
- AMSAT-OSCAR_7 wikiPageWikiLink Category:Amateur_radio_satellites.
- AMSAT-OSCAR_7 wikiPageWikiLink Category:Artificial_satellites_orbiting_Earth.
- AMSAT-OSCAR_7 wikiPageWikiLink Communications_satellite.
- AMSAT-OSCAR_7 wikiPageWikiLink Delta_2000.
- AMSAT-OSCAR_7 wikiPageWikiLink Electric_beacon.
- AMSAT-OSCAR_7 wikiPageWikiLink Geocentric_orbit.
- AMSAT-OSCAR_7 wikiPageWikiLink ITU.
- AMSAT-OSCAR_7 wikiPageWikiLink International_Amateur_Radio_Union.
- AMSAT-OSCAR_7 wikiPageWikiLink International_Telecommunication_Union.
- AMSAT-OSCAR_7 wikiPageWikiLink Low_Earth_Orbit.
- AMSAT-OSCAR_7 wikiPageWikiLink Low_Earth_orbit.
- AMSAT-OSCAR_7 wikiPageWikiLink OSCAR.
- AMSAT-OSCAR_7 wikiPageWikiLink Short_circuit.
- AMSAT-OSCAR_7 wikiPageWikiLink Transponder.
- AMSAT-OSCAR_7 wikiPageWikiLink Transponder_(satellite_communications).
- AMSAT-OSCAR_7 wikiPageWikiLink Vandenberg_AFB_Space_Launch_Complex_2.
- AMSAT-OSCAR_7 wikiPageWikiLink Vandenberg_Air_Force_Base.
- AMSAT-OSCAR_7 wikiPageWikiLink World_Administrative_Radio_Conference.
- AMSAT-OSCAR_7 wikiPageWikiLinkText "AMSAT-OSCAR 7".
- AMSAT-OSCAR_7 wikiPageWikiLinkText "AO-7".
- AMSAT-OSCAR_7 apsis "gee".
- AMSAT-OSCAR_7 cosparId "1974".
- AMSAT-OSCAR_7 dimensions "36".
- AMSAT-OSCAR_7 hasPhotoCollection AMSAT-OSCAR_7.
- AMSAT-OSCAR_7 imageCaption "Image Of The Satellite Amsat-OSCAR 7".
- AMSAT-OSCAR_7 launchDate "1974-11-15".
- AMSAT-OSCAR_7 launchRocket Delta_2000.
- AMSAT-OSCAR_7 launchSite Vandenberg_AFB_Space_Launch_Complex_2.
- AMSAT-OSCAR_7 launchSite Vandenberg_Air_Force_Base.
- AMSAT-OSCAR_7 missionDuration "elapsed".
- AMSAT-OSCAR_7 missionType Amateur_radio.
- AMSAT-OSCAR_7 name "AMSAT-OSCAR 7".
- AMSAT-OSCAR_7 operator AMSAT.
- AMSAT-OSCAR_7 orbitApoapsis "1465.6".
- AMSAT-OSCAR_7 orbitInclination "101.59".
- AMSAT-OSCAR_7 orbitPeriapsis "1447.5".
- AMSAT-OSCAR_7 orbitPeriod "114.9".
- AMSAT-OSCAR_7 orbitReference Geocentric_orbit.
- AMSAT-OSCAR_7 orbitRegime Low_Earth_orbit.
- AMSAT-OSCAR_7 satcat "7530".
- AMSAT-OSCAR_7 website AMSAT.ORG.
- AMSAT-OSCAR_7 wikiPageUsesTemplate Template:As_of.
- AMSAT-OSCAR_7 wikiPageUsesTemplate Template:Infobox_spaceflight.
- AMSAT-OSCAR_7 wikiPageUsesTemplate Template:Redirect.
- AMSAT-OSCAR_7 wikiPageUsesTemplate Template:Reflist.
- AMSAT-OSCAR_7 subject Category:Amateur_radio_satellites.
- AMSAT-OSCAR_7 subject Category:Artificial_satellites_orbiting_Earth.
- AMSAT-OSCAR_7 hypernym Phase.
- AMSAT-OSCAR_7 type Article.
- AMSAT-OSCAR_7 type ArtificialSatellite.
- AMSAT-OSCAR_7 type CelestialBody.
- AMSAT-OSCAR_7 type MilitaryConflict.
- AMSAT-OSCAR_7 type Place.
- AMSAT-OSCAR_7 type Satellite.
- AMSAT-OSCAR_7 type Article.
- AMSAT-OSCAR_7 type Location.
- AMSAT-OSCAR_7 type Place.
- AMSAT-OSCAR_7 type Thing.
- AMSAT-OSCAR_7 comment "AO-7 (aka AMSAT-OSCAR 7) is the second Phase 2 amateur radio satellite constructed by AMSAT-NA, and it was launched into Low Earth Orbit on November 15, 1974. It remained operational until a battery failure in 1981. Then after 21 years of silence, the satellite was heard again on June 21, 2002 — 27 years after launch.AO-7 is the oldest amateur satellite still in use, and is one of the oldest operational communications satellites. It carries two amateur radio transponders.".
- AMSAT-OSCAR_7 label "AMSAT-OSCAR 7".
- AMSAT-OSCAR_7 sameAs OSCAR_7.
- AMSAT-OSCAR_7 sameAs m.03qlh2p.
- AMSAT-OSCAR_7 sameAs Q2278545.
- AMSAT-OSCAR_7 sameAs Q2278545.
- AMSAT-OSCAR_7 wasDerivedFrom AMSAT-OSCAR_7?oldid=679943079.
- AMSAT-OSCAR_7 homepage AMSAT.ORG.
- AMSAT-OSCAR_7 isPrimaryTopicOf AMSAT-OSCAR_7.