{"id":"https://openalex.org/W2146293252","doi":"https://doi.org/10.1049/ic:19971234","title":"Development of the INTELSAT-IX satellite system","display_name":"Development of the INTELSAT-IX satellite system","publication_year":1997,"publication_date":"1997-01-01","ids":{"openalex":"https://openalex.org/W2146293252","doi":"https://doi.org/10.1049/ic:19971234","mag":"2146293252"},"language":"en","primary_location":{"id":"doi:10.1049/ic:19971234","doi":"https://doi.org/10.1049/ic:19971234","is_oa":false,"landing_page_url":"https://doi.org/10.1049/ic:19971234","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEE Colloquium on Current Developments in INTELSAT","raw_type":"proceedings-article"},"volume":null,"type":"conference-paper","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5000465936","display_name":"Gilles Celli","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"G.C. Celli","raw_affiliation_strings":["Space Syst./Loral, Palo Alto, CA, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Space Syst./Loral, Palo Alto, CA, USA","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5000465936"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"1997","issue":null,"first_page":"7","last_page":"7"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12042","display_name":"Satellite Communication Systems","score":0.5508000254631042,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T12042","display_name":"Satellite Communication Systems","score":0.5508000254631042,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12449","display_name":"Spacecraft Design and Technology","score":0.43140000104904175,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13436","display_name":"Space Technology and Applications","score":0.0031999999191612005,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/communication-satellites","display_name":"communication satellites","score":0.5260000228881836},{"id":"https://openalex.org/keywords/geostationary-transfer-orbit","display_name":"geosynchronous transfer orbit","score":0.7490000128746033},{"id":"https://openalex.org/keywords/c-band","display_name":"C-band","score":0.6460000276565552},{"id":"https://openalex.org/keywords/ku-band","display_name":"Ku-band","score":1.0},{"id":"https://openalex.org/keywords/frequency-reuse","display_name":"frequency reuse","score":0.828000009059906},{"id":"https://openalex.org/keywords/antenna-beam-shaping","display_name":"antenna beam shaping","score":0.6679999828338623},{"id":"https://openalex.org/keywords/polarization-control","display_name":"polarization control","score":0.9399999976158142},{"id":"https://openalex.org/keywords/satellite-design","display_name":"satellite design","score":0.3230000138282776}],"concepts":[{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.571876585483551},{"id":"https://openalex.org/C121308736","wikidata":"https://www.wikidata.org/wiki/Q149918","display_name":"Communications satellite","level":3,"score":0.5513014793395996},{"id":"https://openalex.org/C2986254709","wikidata":"https://www.wikidata.org/wiki/Q209588","display_name":"Satellite broadcasting","level":3,"score":0.4872094988822937},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.46803122758865356},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.45646798610687256},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.4258521497249603},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.22599130868911743},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.14658215641975403},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.10704132914543152}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1049/ic:19971234","doi":"https://doi.org/10.1049/ic:19971234","is_oa":false,"landing_page_url":"https://doi.org/10.1049/ic:19971234","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEE Colloquium on Current Developments in INTELSAT","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2045924793","https://openalex.org/W1847513995","https://openalex.org/W2154915569","https://openalex.org/W1871455000","https://openalex.org/W4240348472","https://openalex.org/W2120518931","https://openalex.org/W2109796001","https://openalex.org/W2262971989","https://openalex.org/W1969570557","https://openalex.org/W2053921104"],"abstract_inverted_index":{"This":[0],"paper":[1],"describes":[2],"the":[3,8,38,42,85],"design":[4],"and":[5,27,30,35,53,71,105,114],"development":[6],"of":[7,41,94],"INTELSAT-IX":[9,91],"spacecraft":[10],"system":[11],"at":[12,33,101,117],"Space":[13],"Systems/Loral.":[14],"The":[15,55,79,90],"satellite":[16,23,92],"is":[17,82],"a":[18,75],"three-axis":[19],"controlled,":[20],"multi-frequency":[21],"communications":[22,98],"providing":[24,127],"voice,":[25],"video,":[26],"data":[28],"transmission":[29],"distribution":[31],"services":[32],"C-":[34],"Ku-bands":[36],"for":[37],"member":[39],"nations":[40],"INTELSAT":[43],"organization":[44],"from":[45],"specified":[46],"locations":[47],"over":[48],"two":[49,95,138,145],"ocean":[50],"areas,":[51],"Atlantic":[52],"Indian.":[54],"satellites":[56],"can":[57],"be":[58],"launched":[59],"on":[60],"an":[61],"Ariane":[62,64],"4,":[63],"5,":[65],"Proton,":[66],"or":[67],"Sea":[68],"Launch":[69],"vehicle":[70],"injected":[72],"directly":[73],"into":[74],"geosynchronous":[76],"transfer":[77],"orbit.":[78],"apogee":[80],"manoeuvre":[81],"performed":[83],"with":[84],"on-board":[86],"bipropellant":[87],"propulsion":[88],"system.":[89],"consists":[93],"independent":[96],"cross-strappable":[97],"systems":[99],"operating":[100,132],"C-band":[102,118],"(6/4":[103],"GHz)":[104],"Ku-band":[106],"(14/11":[107],"GHz).":[108],"It":[109],"employs":[110,137],"antenna":[111],"beam":[112],"shape":[113],"polarization":[115],"control":[116],"to":[119,122,129,143],"achieve":[120,144],"up":[121,128],"six":[123],"times":[124,146],"frequency":[125,147],"reuse,":[126],"3":[130],"GHz":[131],"bandwidth.":[133],"At":[134],"Ku-band,":[135],"it":[136],"independently":[139],"steerable":[140],"spot":[141],"antennas":[142],"reuse":[148],"in":[149],"that":[150],"band.":[151],"(7":[152],"pages)":[153]},"counts_by_year":[],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2016-06-24T00:00:00"}