{"id":"https://openalex.org/W2965500191","doi":"https://doi.org/10.3390/rs11151789","title":"Comparison of Tropospheric Path Delay Estimates from GNSS and Space-Borne SAR Interferometry in Alpine Conditions","display_name":"Comparison of Tropospheric Path Delay Estimates from GNSS and Space-Borne SAR Interferometry in Alpine Conditions","publication_year":2019,"publication_date":"2019-07-31","ids":{"openalex":"https://openalex.org/W2965500191","doi":"https://doi.org/10.3390/rs11151789","mag":"2965500191"},"language":"en","primary_location":{"id":"doi:10.3390/rs11151789","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs11151789","pdf_url":"https://www.mdpi.com/2072-4292/11/15/1789/pdf?version=1564654290","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Remote Sensing","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","datacite","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/2072-4292/11/15/1789/pdf?version=1564654290","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5058764771","display_name":"Karina Wilgan","orcid":"https://orcid.org/0000-0001-6602-3940"},"institutions":[{"id":"https://openalex.org/I35440088","display_name":"ETH Zurich","ror":"https://ror.org/05a28rw58","country_code":"CH","type":"education","lineage":["https://openalex.org/I2799323385","https://openalex.org/I35440088"]}],"countries":["CH"],"is_corresponding":true,"raw_author_name":"Karina Wilgan","raw_affiliation_strings":["Institute of Geodesy and Photogrammetry, ETH Z\u00fcrich, Robert-Gnehm-Weg 15, CH-8093 Z\u00fcrich, Switzerland"],"raw_orcid":"https://orcid.org/0000-0001-6602-3940","affiliations":[{"raw_affiliation_string":"Institute of Geodesy and Photogrammetry, ETH Z\u00fcrich, Robert-Gnehm-Weg 15, CH-8093 Z\u00fcrich, Switzerland","institution_ids":["https://openalex.org/I35440088"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5005909519","display_name":"Muhammad Adnan Siddique","orcid":"https://orcid.org/0000-0003-1695-7694"},"institutions":[{"id":"https://openalex.org/I201384688","display_name":"National University of Computer and Emerging Sciences","ror":"https://ror.org/003eyb898","country_code":"PK","type":"education","lineage":["https://openalex.org/I201384688"]}],"countries":["PK"],"is_corresponding":false,"raw_author_name":"Muhammad Siddique","raw_affiliation_strings":["Department of Electrical Engineering, National University of Computer and Emerging Sciences (FAST-NU), B Block, Faisal Town, Lahore 54770, Pakistan"],"raw_orcid":"https://orcid.org/0000-0003-1695-7694","affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, National University of Computer and Emerging Sciences (FAST-NU), B Block, Faisal Town, Lahore 54770, Pakistan","institution_ids":["https://openalex.org/I201384688"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5068645374","display_name":"Tazio Strozzi","orcid":"https://orcid.org/0000-0002-9054-951X"},"institutions":[{"id":"https://openalex.org/I4210155440","display_name":"Gamma Remote Sensing (Switzerland)","ror":"https://ror.org/05spbxe41","country_code":"CH","type":"company","lineage":["https://openalex.org/I4210155440"]}],"countries":["CH"],"is_corresponding":false,"raw_author_name":"Tazio Strozzi","raw_affiliation_strings":["Gamma Remote Sensing, Worbstrasse 225, CH-3073 G\u00fcmligen, Switzerland"],"raw_orcid":"https://orcid.org/0000-0002-9054-951X","affiliations":[{"raw_affiliation_string":"Gamma Remote Sensing, Worbstrasse 225, CH-3073 G\u00fcmligen, Switzerland","institution_ids":["https://openalex.org/I4210155440"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5033642531","display_name":"Alain Geiger","orcid":"https://orcid.org/0000-0003-2629-8979"},"institutions":[{"id":"https://openalex.org/I35440088","display_name":"ETH Zurich","ror":"https://ror.org/05a28rw58","country_code":"CH","type":"education","lineage":["https://openalex.org/I2799323385","https://openalex.org/I35440088"]}],"countries":["CH"],"is_corresponding":false,"raw_author_name":"Alain Geiger","raw_affiliation_strings":["Institute of Geodesy and Photogrammetry, ETH Z\u00fcrich, Robert-Gnehm-Weg 15, CH-8093 Z\u00fcrich, Switzerland"],"raw_orcid":"https://orcid.org/0000-0003-2629-8979","affiliations":[{"raw_affiliation_string":"Institute of Geodesy and Photogrammetry, ETH Z\u00fcrich, Robert-Gnehm-Weg 15, CH-8093 Z\u00fcrich, Switzerland","institution_ids":["https://openalex.org/I35440088"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5062774484","display_name":"Othmar Frey","orcid":"https://orcid.org/0000-0003-1795-6087"},"institutions":[{"id":"https://openalex.org/I35440088","display_name":"ETH Zurich","ror":"https://ror.org/05a28rw58","country_code":"CH","type":"education","lineage":["https://openalex.org/I2799323385","https://openalex.org/I35440088"]},{"id":"https://openalex.org/I4210155440","display_name":"Gamma Remote Sensing (Switzerland)","ror":"https://ror.org/05spbxe41","country_code":"CH","type":"company","lineage":["https://openalex.org/I4210155440"]}],"countries":["CH"],"is_corresponding":false,"raw_author_name":"Othmar Frey","raw_affiliation_strings":["Chair of Earth Observation and Remote Sensing, ETH Z\u00fcrich, Stefano-Franscini-Platz 3, CH-8093 Z\u00fcrich, Switzerland","Gamma Remote Sensing, Worbstrasse 225, CH-3073 G\u00fcmligen, Switzerland"],"raw_orcid":"https://orcid.org/0000-0003-1795-6087","affiliations":[{"raw_affiliation_string":"Chair of Earth Observation and Remote Sensing, ETH Z\u00fcrich, Stefano-Franscini-Platz 3, CH-8093 Z\u00fcrich, Switzerland","institution_ids":["https://openalex.org/I35440088"]},{"raw_affiliation_string":"Gamma Remote Sensing, Worbstrasse 225, CH-3073 G\u00fcmligen, Switzerland","institution_ids":["https://openalex.org/I4210155440"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5058764771"],"corresponding_institution_ids":["https://openalex.org/I35440088"],"apc_list":{"value":2500,"currency":"CHF","value_usd":2707},"apc_paid":{"value":581,"currency":"EUR","value_usd":626},"fwci":3.6762,"has_fulltext":true,"cited_by_count":5,"citation_normalized_percentile":{"value":0.95416313,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":"11","issue":"15","first_page":"1789","last_page":"1789"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10801","display_name":"Synthetic Aperture Radar (SAR) Applications and Techniques","score":0.9998000264167786,"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/T10801","display_name":"Synthetic Aperture Radar (SAR) Applications and Techniques","score":0.9998000264167786,"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/T11312","display_name":"Soil Moisture and Remote Sensing","score":0.9977999925613403,"subfield":{"id":"https://openalex.org/subfields/2305","display_name":"Environmental Engineering"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11405","display_name":"Geophysics and Gravity Measurements","score":0.9973000288009644,"subfield":{"id":"https://openalex.org/subfields/1910","display_name":"Oceanography"},"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/gnss-applications","display_name":"GNSS applications","score":0.8515639305114746},{"id":"https://openalex.org/keywords/interferometric-synthetic-aperture-radar","display_name":"Interferometric synthetic aperture radar","score":0.8090375661849976},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.6521293520927429},{"id":"https://openalex.org/keywords/geodesy","display_name":"Geodesy","score":0.6277529001235962},{"id":"https://openalex.org/keywords/satellite","display_name":"Satellite","score":0.532943844795227},{"id":"https://openalex.org/keywords/geodetic-datum","display_name":"Geodetic datum","score":0.4635075628757477},{"id":"https://openalex.org/keywords/troposphere","display_name":"Troposphere","score":0.44603681564331055},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.43454450368881226},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.4306586682796478},{"id":"https://openalex.org/keywords/interferometry","display_name":"Interferometry","score":0.4137669801712036},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.4104980230331421},{"id":"https://openalex.org/keywords/meteorology","display_name":"Meteorology","score":0.2927728295326233},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.23496592044830322},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.07986575365066528}],"concepts":[{"id":"https://openalex.org/C14279187","wikidata":"https://www.wikidata.org/wiki/Q5514012","display_name":"GNSS applications","level":3,"score":0.8515639305114746},{"id":"https://openalex.org/C22286887","wikidata":"https://www.wikidata.org/wiki/Q1666056","display_name":"Interferometric synthetic aperture radar","level":3,"score":0.8090375661849976},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.6521293520927429},{"id":"https://openalex.org/C13280743","wikidata":"https://www.wikidata.org/wiki/Q131089","display_name":"Geodesy","level":1,"score":0.6277529001235962},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.532943844795227},{"id":"https://openalex.org/C58754882","wikidata":"https://www.wikidata.org/wiki/Q1502887","display_name":"Geodetic datum","level":2,"score":0.4635075628757477},{"id":"https://openalex.org/C9075549","wikidata":"https://www.wikidata.org/wiki/Q40631","display_name":"Troposphere","level":2,"score":0.44603681564331055},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.43454450368881226},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.4306586682796478},{"id":"https://openalex.org/C166689943","wikidata":"https://www.wikidata.org/wiki/Q850283","display_name":"Interferometry","level":2,"score":0.4137669801712036},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.4104980230331421},{"id":"https://openalex.org/C153294291","wikidata":"https://www.wikidata.org/wiki/Q25261","display_name":"Meteorology","level":1,"score":0.2927728295326233},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.23496592044830322},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.07986575365066528},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.0}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.3390/rs11151789","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs11151789","pdf_url":"https://www.mdpi.com/2072-4292/11/15/1789/pdf?version=1564654290","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Remote Sensing","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:4b025abe56814202b42cc9680f473312","is_oa":true,"landing_page_url":"https://doaj.org/article/4b025abe56814202b42cc9680f473312","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,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Remote Sensing, Vol 11, Iss 15, p 1789 (2019)","raw_type":"article"},{"id":"pmh:oai:www.research-collection.ethz.ch:20.500.11850/358145","is_oa":true,"landing_page_url":"http://hdl.handle.net/20.500.11850/358145","pdf_url":null,"source":{"id":"https://openalex.org/S4306402302","display_name":"Repository for Publications and Research Data (ETH Zurich)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I35440088","host_organization_name":"ETH Zurich","host_organization_lineage":["https://openalex.org/I35440088"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Remote Sensing, 11 (15)","raw_type":"info:eu-repo/semantics/publishedVersion"},{"id":"doi:10.3929/ethz-b-000358145","is_oa":true,"landing_page_url":"https://doi.org/10.3929/ethz-b-000358145","pdf_url":null,"source":{"id":"https://openalex.org/S7407051236","display_name":"ETH Z\u00fcrich Research Collection","issn_l":null,"issn":[],"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"article-journal"}],"best_oa_location":{"id":"doi:10.3390/rs11151789","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs11151789","pdf_url":"https://www.mdpi.com/2072-4292/11/15/1789/pdf?version=1564654290","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Remote Sensing","raw_type":"journal-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/13","display_name":"Climate action","score":0.6399999856948853}],"awards":[{"id":"https://openalex.org/G3892711169","display_name":null,"funder_award_id":"14.0022.PJ","funder_id":"https://openalex.org/F4320334856","funder_display_name":"Bundesamt f\u00fcr Umwelt"}],"funders":[{"id":"https://openalex.org/F4320321652","display_name":"Eidgen\u00f6ssische Technische Hochschule Z\u00fcrich","ror":"https://ror.org/05a28rw58"},{"id":"https://openalex.org/F4320322256","display_name":"Agenzia Spaziale Italiana","ror":"https://ror.org/034zgem50"},{"id":"https://openalex.org/F4320334856","display_name":"Bundesamt f\u00fcr Umwelt","ror":"https://ror.org/04t48sm91"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2965500191.pdf","grobid_xml":"https://content.openalex.org/works/W2965500191.grobid-xml"},"referenced_works_count":45,"referenced_works":["https://openalex.org/W249844391","https://openalex.org/W1559006341","https://openalex.org/W1618717422","https://openalex.org/W1951215972","https://openalex.org/W1972666205","https://openalex.org/W1972849577","https://openalex.org/W1984247499","https://openalex.org/W1986563654","https://openalex.org/W1987557628","https://openalex.org/W1992098736","https://openalex.org/W1999610203","https://openalex.org/W2008288309","https://openalex.org/W2017727533","https://openalex.org/W2024290831","https://openalex.org/W2037460094","https://openalex.org/W2038566498","https://openalex.org/W2041596810","https://openalex.org/W2046993234","https://openalex.org/W2047029664","https://openalex.org/W2047158459","https://openalex.org/W2061901775","https://openalex.org/W2076413875","https://openalex.org/W2084709089","https://openalex.org/W2098110296","https://openalex.org/W2102430527","https://openalex.org/W2113744515","https://openalex.org/W2126014025","https://openalex.org/W2128776560","https://openalex.org/W2131317169","https://openalex.org/W2158164858","https://openalex.org/W2163347203","https://openalex.org/W2165599709","https://openalex.org/W2166166955","https://openalex.org/W2168283052","https://openalex.org/W2413186595","https://openalex.org/W2485495686","https://openalex.org/W2517671884","https://openalex.org/W2739615806","https://openalex.org/W2766314745","https://openalex.org/W2883123736","https://openalex.org/W2889515681","https://openalex.org/W2894673821","https://openalex.org/W4232329682","https://openalex.org/W4249744610","https://openalex.org/W6698736606"],"related_works":["https://openalex.org/W2964093098","https://openalex.org/W2412470376","https://openalex.org/W2963447316","https://openalex.org/W4313437384","https://openalex.org/W4386936491","https://openalex.org/W2062843243","https://openalex.org/W3007931018","https://openalex.org/W2369439249","https://openalex.org/W3206958763","https://openalex.org/W2159160885"],"abstract_inverted_index":{"We":[0],"compare":[1,143],"tropospheric":[2,33,147,256],"delays":[3,39,59,148],"from":[4,156,181],"Global":[5],"Navigation":[6],"Satellite":[7],"Systems":[8],"(GNSS)":[9],"and":[10,50,52,81,97,187,219,230,310,361],"Synthetic":[11],"Aperture":[12],"Radar":[13],"(SAR)":[14],"Interferometry":[15,169],"(InSAR)":[16],"in":[17,22,177,315,326],"a":[18,64,109,116,124,178,304],"challenging":[19],"mountainous":[20],"environment":[21],"the":[23,31,98,128,136,144,159,200,238,251,255,259,262,270,278,281,286,308,311,316,322,327,331,342,345,348,353,356,365],"Swiss":[24],"Alps,":[25],"where":[26],"strong":[27],"spatial":[28,92,102],"variations":[29],"of":[30,66,85,107,118,139,171,202,237,250,261,269,324,330,344,352],"local":[32],"conditions":[34,257],"are":[35,40,53,60,83,197],"often":[36],"observed.":[37],"Tropospheric":[38],"usually":[41],"considered":[42],"to":[43,135,183,199,228,254],"be":[44,131],"an":[45,206],"error":[46],"for":[47,68,70,115,234,245,285,350,364],"both":[48],"GNSS":[49,80,157,190,220,298,362],"InSAR,":[51],"typically":[54],"removed.":[55],"However,":[56],"recently":[57],"these":[58,119],"also":[61],"recognized":[62],"as":[63,88,266,318,320],"signal":[65],"interest,":[67],"example":[69],"assimilation":[71],"into":[72],"numerical":[73],"weather":[74],"models":[75],"or":[76],"climate":[77],"studies.":[78],"The":[79,189,213],"InSAR":[82,140,218,360],"techniques":[84,129],"complementary":[86],"nature,":[87],"one":[89],"has":[90],"sparse":[91],"but":[93,104,355],"high":[94,248],"temporal":[95],"resolution,":[96],"other":[99,279],"very":[100,294],"dense":[101],"coverage":[103],"repeat":[105],"pass":[106],"only":[108,337],"few":[110],"days.":[111],"This":[112],"raises":[113],"expectations":[114],"combination":[117],"techniques.":[120],"For":[121],"this":[122],"purpose,":[123],"comprehensive":[125],"comparison":[126],"between":[127,185,217,307,359],"must":[130],"first":[132],"performed.":[133],"Due":[134],"relative":[137],"nature":[138],"estimates,":[141],"we":[142],"difference":[145],"slant":[146],"(":[149],"d":[150,160,272],"S":[151,161,273],"T":[152,162,274],"D":[153,163,275],")":[154],"retrieved":[155],"with":[158,247,288,321,368],"s":[164],"estimated":[165],"using":[166,205],"Persistent":[167],"Scatterer":[168],"(PSI)":[170],"32":[172],"COSMO-SkyMed":[173],"SAR":[174],"images":[175],"taken":[176],"snow-free":[179],"period":[180],"June":[182],"October":[184],"2008":[186],"2013.":[188],"estimates":[191,221],"calculated":[192],"at":[193,258],"permanent":[194],"geodetic":[195],"stations":[196,325,339],"interpolated":[198],"locations":[201],"persistent":[203],"scatterers":[204],"in-house":[207],"developed":[208],"least-squares":[209],"collocation":[210],"software":[211],"COMEDIE.":[212],"Pearson\u2019s":[214],"correlation":[215,306],"coefficient":[216],"averaged":[222],"over":[223],"all":[224],"acquisitions":[225],"is":[226,242,291,303],"equal":[227],"0.64":[229],"larger":[231],"than":[232],"0.8":[233],"approximately":[235],"half":[236],"layers.":[239],"Better":[240],"agreement":[241,290,309],"obtained":[243],"mainly":[244],"days":[246,287],"variability":[249],"troposphere":[252],"(relative":[253],"time":[260],"reference":[263],"acquisition),":[264],"expressed":[265],"standard":[267,357],"deviations":[268,358],"GNSS-based":[271],"s.":[276],"On":[277],"hand,":[280],"most":[282,351],"common":[283],"feature":[284],"poor":[289],"represented":[292],"by":[293],"stable,":[295],"almost":[296],"constant":[297],"estimates.":[299],"In":[300],"addition,":[301],"there":[302],"weak":[305],"water":[312],"vapor":[313],"values":[314],"area,":[317],"well":[319],"number":[323],"closest":[328],"vicinity":[329],"study":[332,346],"area.":[333],"Adding":[334],"low-cost":[335,369],"L-1":[336],"GPS":[338],"located":[340],"within":[341],"area":[343,367],"increases":[347],"biases":[349],"dates,":[354],"decrease":[363],"limited":[366],"stations.":[370]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":2},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":1}],"updated_date":"2026-05-21T06:26:12.895304","created_date":"2025-10-10T00:00:00"}
