{"id":"https://openalex.org/W4391179639","doi":"https://doi.org/10.33012/navi.619","title":"A Simple and Effective Approach to Real-Time Ionospheric Monitoring at Low Latitudes and Its Applicability to GBAS","display_name":"A Simple and Effective Approach to Real-Time Ionospheric Monitoring at Low Latitudes and Its Applicability to GBAS","publication_year":2024,"publication_date":"2024-01-01","ids":{"openalex":"https://openalex.org/W4391179639","doi":"https://doi.org/10.33012/navi.619"},"language":"en","primary_location":{"id":"doi:10.33012/navi.619","doi":"https://doi.org/10.33012/navi.619","is_oa":true,"landing_page_url":"https://doi.org/10.33012/navi.619","pdf_url":"https://navi.ion.org/content/navi/71/1/navi.619.full.pdf","source":{"id":"https://openalex.org/S2765062576","display_name":"NAVIGATION Journal of the Institute of Navigation","issn_l":"0028-1522","issn":["0028-1522","2161-4296"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-b","jufo-2","norway-1","oarl","poland-100","russia-white-list-1"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"NAVIGATION: Journal of the Institute of Navigation","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://navi.ion.org/content/navi/71/1/navi.619.full.pdf","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5070083843","display_name":"Leonardo Marini\u2010Pereira","orcid":"https://orcid.org/0000-0002-0741-4332","observed_orcids":["https://orcid.org/0000-0002-0741-4332"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Leonardo Marini-Pereira","raw_affiliation_strings":["Institute of Airspace Control"],"raw_orcid":"https://orcid.org/0000-0002-0741-4332","affiliations":[{"raw_affiliation_string":"Institute of Airspace Control","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5012887764","display_name":"Alison de Oliveira Moraes","orcid":"https://orcid.org/0000-0002-6493-1694","observed_orcids":["https://orcid.org/0000-0002-6493-1694"]},"institutions":[{"id":"https://openalex.org/I4210123805","display_name":"Instituto de Aeron\u00e1utica e Espa\u00e7o","ror":"https://ror.org/025n1fp68","country_code":"BR","type":"other","lineage":["https://openalex.org/I4210123805"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Alison de Oliveira Moraes,","raw_affiliation_strings":["Institute of Aeronautics and Space"],"raw_orcid":"https://orcid.org/0000-0002-6493-1694","affiliations":[{"raw_affiliation_string":"Institute of Aeronautics and Space","institution_ids":["https://openalex.org/I4210123805"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5032219871","display_name":"Sam Pullen","orcid":"https://orcid.org/0000-0002-2615-0096","observed_orcids":["https://orcid.org/0000-0002-2615-0096"]},"institutions":[{"id":"https://openalex.org/I97018004","display_name":"Stanford University","ror":"https://ror.org/00f54p054","country_code":"US","type":"education","lineage":["https://openalex.org/I97018004"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Sam Pullen","raw_affiliation_strings":["Stanford University"],"raw_orcid":"https://orcid.org/0000-0002-2615-0096","affiliations":[{"raw_affiliation_string":"Stanford University","institution_ids":["https://openalex.org/I97018004"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":3000,"currency":"USD","value_usd":3000},"apc_paid":{"value":3000,"currency":"USD","value_usd":3000},"fwci":1.0183,"has_fulltext":true,"cited_by_count":7,"citation_normalized_percentile":{"value":0.69555406,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":95,"max":98},"biblio":{"volume":"71","issue":"1","first_page":"navi.619","last_page":"navi.619"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10655","display_name":"GNSS positioning and interference","score":0.9491999745368958,"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/T10655","display_name":"GNSS positioning and interference","score":0.9491999745368958,"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/T10159","display_name":"Ionosphere and magnetosphere dynamics","score":0.04650000110268593,"subfield":{"id":"https://openalex.org/subfields/1912","display_name":"Space and Planetary Science"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12424","display_name":"Earthquake Detection and Analysis","score":0.0003000000142492354,"subfield":{"id":"https://openalex.org/subfields/1908","display_name":"Geophysics"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/ionospheric-monitoring","display_name":"ionospheric monitoring","score":0.9309999942779541},{"id":"https://openalex.org/keywords/ground-based-augmentation-system","display_name":"GBAS","score":0.8769999742507935},{"id":"https://openalex.org/keywords/low-latitude-ionosphere","display_name":"low-latitude ionosphere","score":0.7720000147819519},{"id":"https://openalex.org/keywords/ionospheric-disturbances","display_name":"ionospheric disturbances","score":0.8289999961853027},{"id":"https://openalex.org/keywords/real-time-alerts","display_name":"real-time alerts","score":0.8389999866485596},{"id":"https://openalex.org/keywords/data-gap-analysis","display_name":"data gap analysis","score":0.9909999966621399}],"concepts":[{"id":"https://openalex.org/C2991837008","wikidata":"https://www.wikidata.org/wiki/Q42530","display_name":"Low latitude","level":3,"score":0.7349135875701904},{"id":"https://openalex.org/C166212672","wikidata":"https://www.wikidata.org/wiki/Q2165162","display_name":"GNSS augmentation","level":4,"score":0.7344202399253845},{"id":"https://openalex.org/C116403925","wikidata":"https://www.wikidata.org/wiki/Q162219","display_name":"Ionosphere","level":2,"score":0.6714785695075989},{"id":"https://openalex.org/C2780586882","wikidata":"https://www.wikidata.org/wiki/Q7520643","display_name":"Simple (philosophy)","level":2,"score":0.6531614661216736},{"id":"https://openalex.org/C122523270","wikidata":"https://www.wikidata.org/wiki/Q34027","display_name":"Latitude","level":2,"score":0.49855518341064453},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.395476371049881},{"id":"https://openalex.org/C153294291","wikidata":"https://www.wikidata.org/wiki/Q25261","display_name":"Meteorology","level":1,"score":0.34878766536712646},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.31561505794525146},{"id":"https://openalex.org/C60229501","wikidata":"https://www.wikidata.org/wiki/Q18822","display_name":"Global Positioning System","level":2,"score":0.23499006032943726},{"id":"https://openalex.org/C13280743","wikidata":"https://www.wikidata.org/wiki/Q131089","display_name":"Geodesy","level":1,"score":0.22798877954483032},{"id":"https://openalex.org/C14279187","wikidata":"https://www.wikidata.org/wiki/Q5514012","display_name":"GNSS applications","level":3,"score":0.18281474709510803},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.1729939877986908},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.1616235077381134},{"id":"https://openalex.org/C8058405","wikidata":"https://www.wikidata.org/wiki/Q46255","display_name":"Geophysics","level":1,"score":0.15052452683448792},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.11136072874069214},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.33012/navi.619","doi":"https://doi.org/10.33012/navi.619","is_oa":true,"landing_page_url":"https://doi.org/10.33012/navi.619","pdf_url":"https://navi.ion.org/content/navi/71/1/navi.619.full.pdf","source":{"id":"https://openalex.org/S2765062576","display_name":"NAVIGATION Journal of the Institute of Navigation","issn_l":"0028-1522","issn":["0028-1522","2161-4296"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-b","jufo-2","norway-1","oarl","poland-100","russia-white-list-1"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"NAVIGATION: Journal of the Institute of Navigation","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:31aea0fc976e419a9c32b88875f97ed3","doi":null,"is_oa":false,"landing_page_url":"https://doaj.org/article/31aea0fc976e419a9c32b88875f97ed3","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","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":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Navigation, Vol 71, Iss 1 (2024)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.33012/navi.619","doi":"https://doi.org/10.33012/navi.619","is_oa":true,"landing_page_url":"https://doi.org/10.33012/navi.619","pdf_url":"https://navi.ion.org/content/navi/71/1/navi.619.full.pdf","source":{"id":"https://openalex.org/S2765062576","display_name":"NAVIGATION Journal of the Institute of Navigation","issn_l":"0028-1522","issn":["0028-1522","2161-4296"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-b","jufo-2","norway-1","oarl","poland-100","russia-white-list-1"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"NAVIGATION: Journal of the Institute of Navigation","raw_type":"journal-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320321091","display_name":"Coordena\u00e7\u00e3o de Aperfei\u00e7oamento de Pessoal de N\u00edvel Superior","ror":"https://ror.org/00x0ma614"},{"id":"https://openalex.org/F4320322025","display_name":"Conselho Nacional de Desenvolvimento Cient\u00edfico e Tecnol\u00f3gico","ror":"https://ror.org/03swz6y49"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4391179639.pdf","grobid_xml":"https://content.openalex.org/works/W4391179639.grobid-xml"},"referenced_works_count":26,"referenced_works":["https://openalex.org/W1481818432","https://openalex.org/W1953539168","https://openalex.org/W1988028527","https://openalex.org/W2035320453","https://openalex.org/W2038407719","https://openalex.org/W2184486707","https://openalex.org/W2300678611","https://openalex.org/W2466017788","https://openalex.org/W2522304181","https://openalex.org/W2602567073","https://openalex.org/W2602792211","https://openalex.org/W2614499388","https://openalex.org/W2645231759","https://openalex.org/W2728496124","https://openalex.org/W2762064158","https://openalex.org/W2916706520","https://openalex.org/W2969425241","https://openalex.org/W2979750178","https://openalex.org/W3006087888","https://openalex.org/W3129671266","https://openalex.org/W3158081956","https://openalex.org/W3158665764","https://openalex.org/W4206035641","https://openalex.org/W4210747650","https://openalex.org/W4319777612","https://openalex.org/W4323343649"],"related_works":["https://openalex.org/W4306922021","https://openalex.org/W4411447263","https://openalex.org/W2979750178","https://openalex.org/W7151436391","https://openalex.org/W4387400741","https://openalex.org/W4408773864","https://openalex.org/W2601750991","https://openalex.org/W3160376091","https://openalex.org/W2396184922","https://openalex.org/W1892702385"],"abstract_inverted_index":{"Abstract":[0],"This":[1],"paper":[2],"proposes":[3],"a":[4,29,126],"strategy":[5],"for":[6,28,76,125],"improving":[7],"ionospheric":[8,70,97],"detection":[9],"of":[10,112,128,134,138,145],"threatening":[11,53,115],"conditions,":[12],"motivated":[13],"by":[14],"issues":[15],"with":[16,86],"ground-based":[17],"augmentation":[18],"systems":[19,50],"(GBASs)":[20],"at":[21],"low":[22],"latitudes.":[23],"A":[24],"methodology":[25],"is":[26,59,106],"developed":[27,140],"real-time":[30],"alerting":[31],"system":[32],"that":[33,103],"monitors":[34],"the":[35,90,95,104,109,132,139,143],"ionosphere":[36],"state":[37],"using":[38,89],"surrounding":[39],"ground":[40],"stations":[41],"and":[42,64,72],"sends":[43],"alerts":[44],"to":[45,68,73,80,123],"differential":[46],"global":[47],"navigation":[48],"satellite":[49,78],"services":[51],"when":[52],"conditions":[54],"are":[55],"detected.":[56],"The":[57,100],"method":[58,105],"based":[60],"on":[61],"time-step":[62],"gradients":[63,93],"data":[65,88],"gap":[66],"analysis":[67],"detect":[69],"disturbances":[71],"declare":[74],"periods":[75],"affected":[77],"signals":[79],"be":[81],"unavailable.":[82],"Validation":[83],"was":[84,120],"performed":[85,122],"real":[87],"largest":[91],"observed":[92],"from":[94,131],"Brazilian":[96],"threat":[98],"model.":[99],"results":[101],"demonstrate":[102],"effective,":[107],"detecting":[108],"vast":[110],"majority":[111],"previously":[113],"known":[114],"gradients.":[116],"An":[117],"availability":[118,129],"assessment":[119],"also":[121],"assess":[124],"loss":[127],"resulting":[130],"implementation":[133],"this":[135],"technique.":[136],"Applications":[137],"technique":[141],"include":[142],"improvement":[144],"low-latitude":[146],"nighttime":[147],"GBAS":[148],"availability.":[149]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":5}],"updated_date":"2026-10-16T09:59:22.235173","created_date":"2024-01-25T00:00:00"}