# Brandenburg 2021: Catalog and Analysis of Radio Signals During the Search for Amelia Earhart in July 1937 > Robert Brandenburg, Richard E. Gillespie, 2021. 16 records on Mysteries Department cite it. The reference for the Itasca log entries and for the… Source: https://mysteriesdept.com/sources/SRC0CYPMBTR4DA7/catalog-and-analysis-of-radio-signals-during-the-search-for Publisher: Mysteries Department Licence: CC BY 4.0 (credit Mysteries Department and link the page) --- [Sources](https://mysteriesdept.com/sources)[Disappearance of Amelia Earhart](https://mysteriesdept.com/mysteries/amelia-earhart)Brandenburg 2021 **0** # Catalog and Analysis of Radio Signals During the Search for Amelia Earhart in July 1937 Robert Brandenburg, Richard E. Gillespie, 2021. _TIGHAR (The Earhart Project Research Papers)_. A catalogue of 182 reported radio receptions on Earhart's frequencies from the evening of 2 July to 10 July 1937, drawn from the Itasca's log, Coast Guard and Navy message files and the Pan American direction-finding stations, each entered with time, agency, location, frequency, content, reception probability and a credibility rating (credible, not credible, uncertain). Also reproduces the Itasca's in-flight log of Earhart's morning transmissions. **Disappearance of Amelia Earhart** Web pageChecked against the original0 ## What it's used for here The reference for the Itasca log entries and for the post-loss signal record. ## Cited by on this site 16 records [Some signals were genuine transmissions from the Electra on land.](https://mysteriesdept.com/mysteries/amelia-earhart/answers/ANS0CYPN1J20H08/some-signals-were-genuine-transmissions-from-the-electra-on) Answer ANS [USCGC Itasca radio logs, 2 July 1937](https://mysteriesdept.com/mysteries/amelia-earhart/artifacts/ART0CYPN4062RN3/uscgc-itasca-radio-logs-2-july-1937) ART [Catalogue of radio signals during the Earhart search, 2–10 July 1937](https://mysteriesdept.com/datasets/DAT0CYPN30Y7KHD/catalogue-of-radio-signals-during-the-earhart-search-210) Dataset DAT [Many 1937 receptions were shown at the time to be hoaxes or other stations.](https://mysteriesdept.com/mysteries/amelia-earhart/evidence/EVD0CYPN2HA5QYT/many-1937-receptions-were-shown-at-the-time-to-be-hoaxes-or) Evidence EVD [Some post-loss receptions are rated credible and Pan Am bearings crossed near the Phoenix Islands.](https://mysteriesdept.com/mysteries/amelia-earhart/evidence/EVD0CYPMW6676QA/some-post-loss-receptions-are-rated-credible-and-pan-am) Evidence EVD [TIGHAR's catalogue rates a subset of receptions credible and reports Pan Am bearings crossing near the…](https://mysteriesdept.com/mysteries/amelia-earhart/evidence/EVD0CYPN1SW44CD/tighars-catalogue-rates-a-subset-of-receptions-credible-and) Evidence EVD [The 08:43 message was heard at strength five, implying the aircraft was close to Howland with little fuel.](https://mysteriesdept.com/mysteries/amelia-earhart/evidence/EVD0CYPMVER4HR6/the-08-43-message-was-heard-at-strength-five-implying-the) Evidence EVD [The last message places the aircraft near Howland with gas running low.](https://mysteriesdept.com/mysteries/amelia-earhart/evidence/EVD0CYPMZ3Y0N3X/the-last-message-places-the-aircraft-near-howland-with-gas) Evidence EVD [Last confirmed transmission heard by the Itasca](https://mysteriesdept.com/mysteries/amelia-earhart/events/EVT0CYPMNK81C1T/last-confirmed-transmission-heard-by-the-itasca) EVT [Richard E. Gillespie](https://mysteriesdept.com/mysteries/amelia-earhart/people/FIG0CYPMJNG2P9M/richard-e-gillespie) FIG [The disappearance of Amelia Earhart](https://mysteriesdept.com/mysteries/amelia-earhart) The mystery article MYS [United States Coast Guard (cutter Itasca)](https://mysteriesdept.com/mysteries/amelia-earhart/organisations/ORG0CYPMKMR1FQM/united-states-coast-guard-cutter-itasca) ORG [Were any of the post-loss radio signals from the Electra?](https://mysteriesdept.com/mysteries/amelia-earhart/questions/QST0CYPMTZ43693/were-any-of-the-post-loss-radio-signals-from-the-electra) Question QST [Where did the Electra come down?](https://mysteriesdept.com/mysteries/amelia-earhart/questions/QST0CYPMTFG0SXJ/where-did-the-electra-come-down) Question QST [Pan American Airways direction-finding stations, Wake, Midway and Mokapu Point: Reported bearings on an unidentified carrier on Earhart's frequency…](https://mysteriesdept.com/mysteries/amelia-earhart/accounts/WIT0CYPMT7P3C75/pan-american-airways-direction-finding-stations-wake-midway) WIT [Radio operators of USCGC Itasca (Leo Bellarts and others): Logged Earhart's transmissions through the morning, rising to…](https://mysteriesdept.com/mysteries/amelia-earhart/accounts/WIT0CYPMSG80CE1/radio-operators-of-uscgc-itasca-leo-bellarts-and-others) WIT ## Cite it ``` Brandenburg, R., & Gillespie, R. E. (2021). Catalog and Analysis of Radio Signals During the Search for Amelia Earhart in July 1937. TIGHAR (The Earhart Project Research Papers). https://tighar.org/Projects/Earhart/Archives/Research/ResearchPapers/Brandenburg/signalcatalog.html ``` [Read it free at tighar.org](https://tighar.org/Projects/Earhart/Archives/Research/ResearchPapers/Brandenburg/signalcatalog.html) Key **SRC** 0CYPMBTR4DA7 Kind Web page Rights The publisher's Kept 29 Oct 2026, for editors Checked Against the published original Added by [apollo](https://mysteriesdept.com/u/apollo) The record Bibliographic records are CC0. Take this one as CSL-JSON, BibTeX or RIS. [CSL-JSON](https://mysteriesdept.com/sources/SRC0CYPMBTR4DA7/catalog-and-analysis-of-radio-signals-during-the-search-for/csl.json)