{"id":"https://openalex.org/W7225564997","doi":"https://doi.org/10.31224/8756","title":"Satellites of Opportunity as Calibration Sources: Peak- Timing Pointing and Thermal-Node LO Drift","display_name":"Satellites of Opportunity as Calibration Sources: Peak- Timing Pointing and Thermal-Node LO Drift","publication_year":2026,"publication_date":"2026-11-08","ids":{"openalex":"https://openalex.org/W7225564997","doi":"https://doi.org/10.31224/8756"},"language":"en","primary_location":{"id":"doi:10.31224/8756","doi":"https://doi.org/10.31224/8756","is_oa":true,"landing_page_url":"https://doi.org/10.31224/8756","pdf_url":"https://engrxiv.org/preprint/download/8756/14188/12396","source":null,"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"posted-content"},"volume":null,"type":"preprint","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://engrxiv.org/preprint/download/8756/14188/12396","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5133466530","display_name":"Greg Passmore","orcid":"https://orcid.org/0000-0003-4914-1536","observed_orcids":["https://orcid.org/0000-0003-4914-1536"]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Greg Passmore","raw_affiliation_strings":["PassmoreLab"],"raw_orcid":"https://orcid.org/0000-0003-4914-1536","affiliations":[{"raw_affiliation_string":"PassmoreLab","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5133466530"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12450","display_name":"Radio Astronomy Observations and Technology","score":0.6963000297546387,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"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/T12450","display_name":"Radio Astronomy Observations and Technology","score":0.6963000297546387,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"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":0.14169999957084656,"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/T12042","display_name":"Satellite Communication Systems","score":0.04309999942779541,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/satellite-calibration","display_name":"satellite calibration","score":0.5699999928474426},{"id":"https://openalex.org/keywords/low-earth-orbit-satellite-constellations","display_name":"LEO satellite constellations","score":0.7540000081062317},{"id":"https://openalex.org/keywords/starlink","display_name":"Starlink","score":0.9350000023841858},{"id":"https://openalex.org/keywords/oneweb","display_name":"OneWeb","score":1.0},{"id":"https://openalex.org/keywords/clock-offset-estimation","display_name":"clock offset estimation","score":0.5619999766349792},{"id":"https://openalex.org/keywords/gaussian-beam","display_name":"Gaussian beam","score":0.45899999141693115},{"id":"https://openalex.org/keywords/ephemeris","display_name":"ephemeris","score":0.5830000042915344},{"id":"https://openalex.org/keywords/wideband-receiver","display_name":"wideband receiver","score":0.44699999690055847}],"concepts":[{"id":"https://openalex.org/C165838908","wikidata":"https://www.wikidata.org/wiki/Q736777","display_name":"Calibration","level":2,"score":0.5677000284194946},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.5297999978065491},{"id":"https://openalex.org/C13280743","wikidata":"https://www.wikidata.org/wiki/Q131089","display_name":"Geodesy","level":1,"score":0.4465000033378601},{"id":"https://openalex.org/C168834538","wikidata":"https://www.wikidata.org/wiki/Q3705329","display_name":"Beam (structure)","level":2,"score":0.43880000710487366},{"id":"https://openalex.org/C37054046","wikidata":"https://www.wikidata.org/wiki/Q641888","display_name":"Elevation (ballistics)","level":2,"score":0.43389999866485596},{"id":"https://openalex.org/C159737794","wikidata":"https://www.wikidata.org/wiki/Q124274","display_name":"Azimuth","level":2,"score":0.42640000581741333},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.424699991941452},{"id":"https://openalex.org/C196644772","wikidata":"https://www.wikidata.org/wiki/Q3884964","display_name":"Orbit (dynamics)","level":2,"score":0.42309999465942383},{"id":"https://openalex.org/C94042562","wikidata":"https://www.wikidata.org/wiki/Q472251","display_name":"Geosynchronous orbit","level":3,"score":0.42170000076293945},{"id":"https://openalex.org/C2780202535","wikidata":"https://www.wikidata.org/wiki/Q4524457","display_name":"Wideband","level":2,"score":0.4124000072479248},{"id":"https://openalex.org/C189069379","wikidata":"https://www.wikidata.org/wiki/Q218124","display_name":"Ground track","level":4,"score":0.4009999930858612},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.3815000057220459},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.3700999915599823},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.3434999883174896},{"id":"https://openalex.org/C153946474","wikidata":"https://www.wikidata.org/wiki/Q333921","display_name":"Magnetometer","level":3,"score":0.3303999900817871},{"id":"https://openalex.org/C203597036","wikidata":"https://www.wikidata.org/wiki/Q1238887","display_name":"Local oscillator","level":3,"score":0.3034000098705292},{"id":"https://openalex.org/C2779919027","wikidata":"https://www.wikidata.org/wiki/Q62832","display_name":"Observatory","level":2,"score":0.29580000042915344},{"id":"https://openalex.org/C2778315978","wikidata":"https://www.wikidata.org/wiki/Q944873","display_name":"Gaussian beam","level":3,"score":0.2888999879360199},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.2883000075817108},{"id":"https://openalex.org/C2775936607","wikidata":"https://www.wikidata.org/wiki/Q466845","display_name":"Tracking (education)","level":2,"score":0.28769999742507935},{"id":"https://openalex.org/C196597080","wikidata":"https://www.wikidata.org/wiki/Q227467","display_name":"Atomic clock","level":2,"score":0.2824000120162964},{"id":"https://openalex.org/C122348159","wikidata":"https://www.wikidata.org/wiki/Q5502869","display_name":"Frequency drift","level":4,"score":0.2759000062942505},{"id":"https://openalex.org/C107768556","wikidata":"https://www.wikidata.org/wiki/Q302660","display_name":"Orbit determination","level":3,"score":0.2750000059604645},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.27219998836517334},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.26739999651908875},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.2606000006198883},{"id":"https://openalex.org/C81978471","wikidata":"https://www.wikidata.org/wiki/Q1196572","display_name":"Fading","level":3,"score":0.2590000033378601},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.25679999589920044}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.31224/8756","doi":"https://doi.org/10.31224/8756","is_oa":true,"landing_page_url":"https://doi.org/10.31224/8756","pdf_url":"https://engrxiv.org/preprint/download/8756/14188/12396","source":null,"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"posted-content"},{"id":"pmh:oai:ops.engrxiv.org:preprint/8756","doi":null,"is_oa":true,"landing_page_url":"https://engrxiv.org/preprint/view/8756","pdf_url":"https://engrxiv.org/preprint/download/8756/14188","source":{"id":"https://openalex.org/S4306401210","display_name":"Engineering Archive (engrXiv)","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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"info:eu-repo/semantics/publishedVersion"}],"best_oa_location":{"id":"doi:10.31224/8756","doi":"https://doi.org/10.31224/8756","is_oa":true,"landing_page_url":"https://doi.org/10.31224/8756","pdf_url":"https://engrxiv.org/preprint/download/8756/14188/12396","source":null,"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"posted-content"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7225564997.pdf","grobid_xml":"https://content.openalex.org/works/W7225564997.grobid-xml"},"referenced_works_count":3,"referenced_works":["https://openalex.org/W2124181495","https://openalex.org/W2146855196","https://openalex.org/W4366957376"],"related_works":["https://openalex.org/W4404390906","https://openalex.org/W2046268095","https://openalex.org/W2568478006","https://openalex.org/W3085879198","https://openalex.org/W576966985","https://openalex.org/W2999740623","https://openalex.org/W2320723410","https://openalex.org/W4406895022","https://openalex.org/W2604306757","https://openalex.org/W7221797137"],"abstract_inverted_index":{"Low":[0],"Earth":[1,39],"orbit":[2],"constellations":[3],"put":[4],"a":[5,10,22,36,60,76,136,139,149,154,166,169,182,193],"predictable":[6],"Ku-band":[7],"beacon":[8],"through":[9],"fixed":[11,167],"dish":[12],"beam":[13,73,106],"several":[14],"times":[15],"an":[16],"hour,":[17],"and":[18,75,86,95,110,120,124,148,176,185],"that":[19,152,172,206],"makes":[20],"them":[21],"calibration":[23,195],"source":[24],"available":[25],"to":[26,34,208],"almost":[27],"any":[28,202],"station.":[29],"I":[30],"use":[31],"those":[32],"crossings":[33],"calibrate":[35],"4.5":[37],"m":[38],"Station":[40],"dish,":[41,168],"with":[42,113],"no":[43],"dedicated":[44,194],"beacon,":[45],"radio":[46],"star":[47],"or":[48],"boresight":[49],"tower.":[50],"Each":[51],"scheduled":[52],"stare":[53],"yields":[54],"one":[55,68],"power-transient":[56],"peak":[57,65],"time.":[58],"For":[59],"circular":[61],"Gaussian":[62],"beam,":[63],"each":[64],"time":[66],"gives":[67],"linear":[69],"constraint,":[70],"on":[71],"the":[72,101,105,144],"center":[74],"common":[77],"clock":[78,183],"offset.":[79],"The":[80,131,162],"track":[81],"geometry":[82],"comes":[83],"from":[84,143,188],"SGP4":[85],"public":[87],"CelesTrak":[88],"supplemental":[89],"GP":[90],"elements.":[91],"From":[92],"138":[93],"Starlink":[94,140],"OneWeb":[96],"stares":[97],"over":[98],"35":[99],"hours,":[100],"least-squares":[102],"solution":[103],"places":[104],"at":[107],"azimuth":[108],"341.608\u00b0":[109],"elevation":[111],"70.309\u00b0,":[112],"leave-one-out":[114],"jackknife":[115],"deviations":[116],"of":[117,158],"0.035\u00b0":[118],"cross-elevation":[119],"0.021\u00b0":[121],"in":[122],"elevation,":[123],"\u03c4":[125],"=":[126],"0.007":[127],"\u00b1":[128],"0.026":[129],"s.":[130],"same":[132],"transits":[133],"also":[134],"give":[135],"0.589\u00b0":[137],"beamwidth,":[138],"identity":[141],"test":[142],"OFDM":[145],"cyclic":[146],"prefix,":[147],"frequency":[150],"reference":[151],"exposes":[153],"sun-driven":[155],"LNB":[156],"drift":[157,187],"about":[159],"\u22120.14":[160],"ppm/\u00b0C.":[161],"method":[163],"needs":[164],"only":[165],"wideband":[170],"receiver":[171],"records":[173],"time-stamped":[174],"power,":[175],"published":[177],"ephemerides.":[178],"It":[179],"returns":[180],"pointing,":[181],"check":[184],"oscillator":[186],"routine":[189],"operation":[190],"rather":[191],"than":[192],"campaign.":[196],"In":[197],"my":[198],"view,":[199],"it":[200,211,215,219],"suits":[201],"narrow-beam":[203],"ground":[204],"station":[205],"has":[207],"know":[209],"where":[210],"is":[212,220],"looking,":[213],"before":[214],"can":[216],"trust":[217],"what":[218],"recording.":[221]},"counts_by_year":[],"updated_date":"2026-11-11T12:16:26.678958","created_date":"2026-11-09T00:00:00"}
