{"ob_id":10933,"uuid":"7464dd2803774dbbb21bd97fddccaa39","title":"Alouette I and Alouette II data","abstract":"The Alouette I and II spacecraft mark Canada's first space program. They were small ionospheric observatories, hosting sweep-frequency ionospheric sounders, a VLF receivers, energetic particle experiments, cosmic noise experiments, and electrostatic probes.\r\n\r\nThe UK Solar System Data Centre (UKSSDC) holds various datum from the Alouette I and Alouette II ionospheric sounders, in 35mm film format. \r\n\r\nOnly a very select range of Alouette I datum is held by the UKSSDC. We have three sets of ionospheric sounder data, each being specific to a certain location over the Earth. \r\nOver the solant, from 1962-10-12 to 1964-02-04. \r\nOver Woomera, from 1962-10-19 to 1964-12-11. \r\n\r\nAlouette II datum from the ionospheric sounder is available from 1967-03-21 to 1967-08-10.","keywords":"Alouette","publicationState":"preview","dataPublishedTime":null,"doiPublishedTime":null,"updateFrequency":"notPlanned","status":"completed","result_field":{"ob_id":"https://catalogue.ceda.ac.uk/api/v2/observations/19766/?format=json","dataPath":"http://www.ukssdc.ac.uk/contact.html","oldDataPath":[],"storageLocation":"external","storageStatus":"offline","volume":0,"numberOfFiles":0,"fileFormat":"Paper"},"timePeriod":"https://catalogue.ceda.ac.uk/api/v2/times/3034/?format=json","geographicExtent":"https://catalogue.ceda.ac.uk/api/v2/bboxes/529/?format=json","nonGeographicFlag":false,"phenomena":[],"dataLineage":"needed","removedDataTime":null,"removedDataReason":"","language":"English","identifier_set":[],"projects":["https://catalogue.ceda.ac.uk/api/v2/projects/19801/?format=json"],"observationcollection_set":["https://catalogue.ceda.ac.uk/api/v2/observationcollections/10932/?format=json","https://catalogue.ceda.ac.uk/api/v2/observationcollections/19772/?format=json"],"responsiblepartyinfo_set":["https://catalogue.ceda.ac.uk/api/v2/rpis/39276/?format=json","https://catalogue.ceda.ac.uk/api/v2/rpis/39279/?format=json","https://catalogue.ceda.ac.uk/api/v2/rpis/39280/?format=json","https://catalogue.ceda.ac.uk/api/v2/rpis/39274/?format=json","https://catalogue.ceda.ac.uk/api/v2/rpis/39275/?format=json","https://catalogue.ceda.ac.uk/api/v2/rpis/39278/?format=json","https://catalogue.ceda.ac.uk/api/v2/rpis/74818/?format=json","https://catalogue.ceda.ac.uk/api/v2/rpis/39277/?format=json"],"procedureAcquisition":null,"procedureCompositeProcess":null,"procedureComputation":null,"permissions":[{"ob_id":"https://catalogue.ceda.ac.uk/api/v2/observations/2528/?format=json","useLimitation":null,"accessConstraints":null,"accessCategory":"public","accessRoles":null,"label":"public: None group","licenceURL":"http://creativecommons.org/licenses/by/4.0/","licenceClassifications":"any"}],"discoveryKeywords":[]}