{"ob_id":12906,"uuid":"95797587b812438495af983b1ea356db","title":"ALPHASAT: raw beacon radio propagation measurements at 20 and 40 GHz (KA/Q bands) made at Chilton, Oxfordshire","abstract":"Raw beacon radio propagation measurements at 20 and 40 GHz (KA/Q bands) made at Chilton, Oxfordshire, UK, for the ESA funded Large Scale Assessment of KA/Q band atmospheric channel using the ALPHASAT TDP5 Propagation beacon signal (ASALASCA) project.\r\n\r\nThese are signals measured by the two receivers located at Chilbolton received from the Aldo Paradoni Payload (TDP5) beacon on board ESA's ALPHASAT telecommunications satellite. Measurements were made from July 2016 to present.","keywords":"ALPHASAT, radio propagation, ESA, 20 GHz, 40 GHz, KA/W band","publicationState":"published","dataPublishedTime":"2017-06-01T11:49:18","doiPublishedTime":null,"updateFrequency":"notPlanned","status":"completed","result_field":{"ob_id":"https://catalogue.ceda.ac.uk/api/v2/observations/23993/?format=json","dataPath":"/badc/asalasca/data/chilton/raw","oldDataPath":[],"storageLocation":"internal","storageStatus":"online","volume":50142697192,"numberOfFiles":728,"fileFormat":"Data are NetCDF4 formatted."},"timePeriod":"https://catalogue.ceda.ac.uk/api/v2/times/6534/?format=json","geographicExtent":"https://catalogue.ceda.ac.uk/api/v2/bboxes/694/?format=json","nonGeographicFlag":false,"phenomena":["https://catalogue.ceda.ac.uk/api/v2/phenomona/13238/?format=json","https://catalogue.ceda.ac.uk/api/v2/phenomona/21859/?format=json","https://catalogue.ceda.ac.uk/api/v2/phenomona/21868/?format=json","https://catalogue.ceda.ac.uk/api/v2/phenomona/21879/?format=json","https://catalogue.ceda.ac.uk/api/v2/phenomona/65524/?format=json","https://catalogue.ceda.ac.uk/api/v2/phenomona/65525/?format=json","https://catalogue.ceda.ac.uk/api/v2/phenomona/65526/?format=json","https://catalogue.ceda.ac.uk/api/v2/phenomona/65527/?format=json","https://catalogue.ceda.ac.uk/api/v2/phenomona/65528/?format=json","https://catalogue.ceda.ac.uk/api/v2/phenomona/65529/?format=json","https://catalogue.ceda.ac.uk/api/v2/phenomona/65530/?format=json","https://catalogue.ceda.ac.uk/api/v2/phenomona/65531/?format=json","https://catalogue.ceda.ac.uk/api/v2/phenomona/65532/?format=json","https://catalogue.ceda.ac.uk/api/v2/phenomona/65533/?format=json","https://catalogue.ceda.ac.uk/api/v2/phenomona/65534/?format=json","https://catalogue.ceda.ac.uk/api/v2/phenomona/65535/?format=json","https://catalogue.ceda.ac.uk/api/v2/phenomona/65536/?format=json","https://catalogue.ceda.ac.uk/api/v2/phenomona/65537/?format=json","https://catalogue.ceda.ac.uk/api/v2/phenomona/65538/?format=json","https://catalogue.ceda.ac.uk/api/v2/phenomona/65539/?format=json","https://catalogue.ceda.ac.uk/api/v2/phenomona/65540/?format=json","https://catalogue.ceda.ac.uk/api/v2/phenomona/65541/?format=json","https://catalogue.ceda.ac.uk/api/v2/phenomona/65542/?format=json","https://catalogue.ceda.ac.uk/api/v2/phenomona/65543/?format=json"],"dataLineage":"Data were collected by the project participants before processing and delivery to CEDA for archiving.","removedDataTime":null,"removedDataReason":"","language":"English","identifier_set":[],"projects":["https://catalogue.ceda.ac.uk/api/v2/projects/12892/?format=json"],"observationcollection_set":["https://catalogue.ceda.ac.uk/api/v2/observationcollections/12893/?format=json"],"responsiblepartyinfo_set":["https://catalogue.ceda.ac.uk/api/v2/rpis/49383/?format=json","https://catalogue.ceda.ac.uk/api/v2/rpis/98443/?format=json","https://catalogue.ceda.ac.uk/api/v2/rpis/49382/?format=json","https://catalogue.ceda.ac.uk/api/v2/rpis/49381/?format=json","https://catalogue.ceda.ac.uk/api/v2/rpis/49380/?format=json","https://catalogue.ceda.ac.uk/api/v2/rpis/98442/?format=json","https://catalogue.ceda.ac.uk/api/v2/rpis/98440/?format=json","https://catalogue.ceda.ac.uk/api/v2/rpis/98441/?format=json","https://catalogue.ceda.ac.uk/api/v2/rpis/105022/?format=json","https://catalogue.ceda.ac.uk/api/v2/rpis/49379/?format=json"],"procedureAcquisition":"https://catalogue.ceda.ac.uk/api/v2/acquisitions/23994/?format=json","procedureCompositeProcess":null,"procedureComputation":null,"permissions":[{"ob_id":"https://catalogue.ceda.ac.uk/api/v2/observations/2668/?format=json","useLimitation":null,"accessConstraints":null,"accessCategory":"restricted","accessRoles":"asalasca","label":"restricted: asalasca group","licenceURL":"https://artefacts.ceda.ac.uk/licences/rugl_versions/rugl_v1-0.pdf","licenceClassifications":"any"}],"discoveryKeywords":[{"ob_id":1138,"name":"NDGO0003"}]}