{"id":"https://openalex.org/W2074075845","doi":"https://doi.org/10.1109/cpem.2012.6251119","title":"International time and frequency comparisons in real time: Recent results","display_name":"International time and frequency comparisons in real time: Recent results","publication_year":2012,"publication_date":"2012-07-01","ids":{"openalex":"https://openalex.org/W2074075845","doi":"https://doi.org/10.1109/cpem.2012.6251119","mag":"2074075845"},"language":"en","primary_location":{"id":"doi:10.1109/cpem.2012.6251119","doi":"https://doi.org/10.1109/cpem.2012.6251119","is_oa":false,"landing_page_url":"https://doi.org/10.1109/cpem.2012.6251119","pdf_url":null,"source":{"id":"https://openalex.org/S4306418090","display_name":"Conference on Precision Electromagnetic Measurements","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 Conference on Precision electromagnetic Measurements","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/A5009780735","display_name":"Jos\u00e9 Mauricio L\u00f3pez-Romero","orcid":"https://orcid.org/0000-0003-3435-9241","observed_orcids":["https://orcid.org/0000-0003-3435-9241"]},"institutions":[{"id":"https://openalex.org/I4387153439","display_name":"National Metrology Center","ror":"https://ror.org/05v1qt749","country_code":"MX","type":"government","lineage":["https://openalex.org/I4387153439"]}],"countries":["MX"],"is_corresponding":false,"raw_author_name":"J. M. Lopez-Romero","raw_affiliation_strings":["Centro Nacional de Metrolog\u00eda, Mexico","CENAM, Centro Nacional de Metrolog\u00eda, M\u00e9xico"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Centro Nacional de Metrolog\u00eda, Mexico","institution_ids":["https://openalex.org/I4387153439"]},{"raw_affiliation_string":"CENAM, Centro Nacional de Metrolog\u00eda, M\u00e9xico","institution_ids":["https://openalex.org/I4387153439"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5023205844","display_name":"Michael A. Lombardi","orcid":"https://orcid.org/0000-0001-8027-034X","observed_orcids":["https://orcid.org/0000-0001-8027-034X"]},"institutions":[{"id":"https://openalex.org/I1321296531","display_name":"National Institute of Standards and Technology","ror":"https://ror.org/05xpvk416","country_code":"US","type":"government","lineage":["https://openalex.org/I1321296531","https://openalex.org/I1343035065"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"M. A. Lombardi","raw_affiliation_strings":["NIST, National Institute of Standards and Technology, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"NIST, National Institute of Standards and Technology, USA","institution_ids":["https://openalex.org/I1321296531"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5059616376","display_name":"N\u00e9lida D\u00edaz-Mu\u00f1oz","orcid":"https://orcid.org/0000-0003-4574-8664","observed_orcids":["https://orcid.org/0000-0003-4574-8664"]},"institutions":[{"id":"https://openalex.org/I4387153439","display_name":"National Metrology Center","ror":"https://ror.org/05v1qt749","country_code":"MX","type":"government","lineage":["https://openalex.org/I4387153439"]}],"countries":["MX"],"is_corresponding":false,"raw_author_name":"N. Diaz-Munoz","raw_affiliation_strings":["Centro Nacional de Metrolog\u00eda, Mexico","CENAM, Centro Nacional de Metrolog\u00eda, M\u00e9xico"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Centro Nacional de Metrolog\u00eda, Mexico","institution_ids":["https://openalex.org/I4387153439"]},{"raw_affiliation_string":"CENAM, Centro Nacional de Metrolog\u00eda, M\u00e9xico","institution_ids":["https://openalex.org/I4387153439"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5008136372","display_name":"Eduardo de Carlos-Lopez","orcid":"https://orcid.org/0000-0002-1049-4302","observed_orcids":["https://orcid.org/0000-0002-1049-4302"]},"institutions":[{"id":"https://openalex.org/I4387153439","display_name":"National Metrology Center","ror":"https://ror.org/05v1qt749","country_code":"MX","type":"government","lineage":["https://openalex.org/I4387153439"]}],"countries":["MX"],"is_corresponding":false,"raw_author_name":"E. de Carlos-Lopez","raw_affiliation_strings":["Centro Nacional de Metrolog\u00eda, Mexico","CENAM, Centro Nacional de Metrolog\u00eda, M\u00e9xico"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Centro Nacional de Metrolog\u00eda, Mexico","institution_ids":["https://openalex.org/I4387153439"]},{"raw_affiliation_string":"CENAM, Centro Nacional de Metrolog\u00eda, M\u00e9xico","institution_ids":["https://openalex.org/I4387153439"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":93},"biblio":{"volume":"5","issue":null,"first_page":"694","last_page":"695"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12004","display_name":"Advanced Frequency and Time Standards","score":0.9970999956130981,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T12004","display_name":"Advanced Frequency and Time Standards","score":0.9970999956130981,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10655","display_name":"GNSS positioning and interference","score":0.00139999995008111,"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/T12216","display_name":"Network Time Synchronization Technologies","score":0.0008999999845400453,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/time-scale-comparison","display_name":"time scale comparison","score":0.6320000290870667},{"id":"https://openalex.org/keywords/frequency-comparison","display_name":"frequency comparison","score":0.5789999961853027},{"id":"https://openalex.org/keywords/national-metrology-institutes","display_name":"national metrology institutes","score":0.7239999771118164},{"id":"https://openalex.org/keywords/gps-time-transfer","display_name":"GPS time transfer","score":0.7139999866485596},{"id":"https://openalex.org/keywords/real-time-data-exchange","display_name":"real-time data exchange","score":0.5659999847412109},{"id":"https://openalex.org/keywords/time-difference","display_name":"time difference","score":0.4449999928474426}],"concepts":[{"id":"https://openalex.org/C60229501","wikidata":"https://www.wikidata.org/wiki/Q18822","display_name":"Global Positioning System","level":2,"score":0.672974705696106},{"id":"https://openalex.org/C195766429","wikidata":"https://www.wikidata.org/wiki/Q394","display_name":"Metrology","level":2,"score":0.664013683795929},{"id":"https://openalex.org/C110875604","wikidata":"https://www.wikidata.org/wiki/Q75","display_name":"The Internet","level":2,"score":0.5558444857597351},{"id":"https://openalex.org/C127568405","wikidata":"https://www.wikidata.org/wiki/Q7805271","display_name":"Time transfer","level":3,"score":0.5405356884002686},{"id":"https://openalex.org/C2778755073","wikidata":"https://www.wikidata.org/wiki/Q10858537","display_name":"Scale (ratio)","level":2,"score":0.46644920110702515},{"id":"https://openalex.org/C13280743","wikidata":"https://www.wikidata.org/wiki/Q131089","display_name":"Geodesy","level":1,"score":0.44720447063446045},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4308944046497345},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.35508492588996887},{"id":"https://openalex.org/C42475967","wikidata":"https://www.wikidata.org/wiki/Q194292","display_name":"Operations research","level":1,"score":0.3475738763809204},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.33659207820892334},{"id":"https://openalex.org/C58640448","wikidata":"https://www.wikidata.org/wiki/Q42515","display_name":"Cartography","level":1,"score":0.19785776734352112},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.18843743205070496},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.18792328238487244},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.12201359868049622}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/cpem.2012.6251119","doi":"https://doi.org/10.1109/cpem.2012.6251119","is_oa":false,"landing_page_url":"https://doi.org/10.1109/cpem.2012.6251119","pdf_url":null,"source":{"id":"https://openalex.org/S4306418090","display_name":"Conference on Precision Electromagnetic Measurements","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 Conference on Precision electromagnetic Measurements","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":4,"referenced_works":["https://openalex.org/W1978862144","https://openalex.org/W2320697431","https://openalex.org/W2339389483","https://openalex.org/W2725317224"],"related_works":["https://openalex.org/W2320697431","https://openalex.org/W2975815387","https://openalex.org/W2899229034","https://openalex.org/W2154889722","https://openalex.org/W7095612128","https://openalex.org/W7098118422","https://openalex.org/W145535035","https://openalex.org/W7097926938","https://openalex.org/W2035137101","https://openalex.org/W2097126120"],"abstract_inverted_index":{"Within":[0],"the":[1,20,53,62,76,89,101,107,114],"Sistema":[2],"Interamericano":[3],"de":[4],"Metrologia":[5],"(SIM)":[6],"region,":[7],"a":[8],"time":[9,21,63,83,109,116],"comparison":[10],"network,":[11],"SIMTN,":[12],"has":[13],"been":[14],"developed.":[15],"The":[16,33,78],"SIMTN":[17],"continuously":[18],"compares":[19],"scales":[22,64,84,117],"of":[23,59,65,80],"SIM":[24,90,121],"members":[25],"and":[26,43,46,50,113],"publishes":[27,95],"measurement":[28],"results":[29],"in":[30,71],"near":[31],"real-time.":[32],"measurements":[34],"are":[35,48,85],"made":[36],"with":[37],"Global":[38],"Positioning":[39],"System":[40],"(GPS)":[41],"common-view":[42],"all-in-view":[44],"techniques,":[45],"data":[47,97],"exchanged":[49],"published":[51],"via":[52,100],"Internet":[54],"every":[55,98],"10":[56],"minutes.":[57],"As":[58],"January":[60],"2012,":[61],"national":[66],"metrology":[67],"institutes":[68],"(NMIs)":[69],"located":[70],"17":[72],"nations":[73],"have":[74],"joined":[75],"SIMTN.":[77],"resources":[79],"these":[81],"local":[82,115],"combined":[86],"to":[87],"generate":[88],"Time":[91],"Scale":[92],"(SIMT),":[93],"which":[94],"new":[96],"hour":[99],"Internet.":[102],"These":[103],"hourly":[104],"updates":[105],"show":[106],"current":[108],"difference":[110],"between":[111],"SIMT":[112],"maintained":[118],"by":[119],"each":[120],"NMI,":[122],"known":[123],"as":[124],"SIMT(k).":[125]},"counts_by_year":[{"year":2018,"cited_by_count":1}],"updated_date":"2026-10-30T12:39:25.321706","created_date":"2016-06-24T00:00:00"}
