Meteorological Factors in Unidentified Radar Returns
Atmospheric propagation explanations are assessed against selected unidentified radar-return reports.
Supplied transcription readExplore the accounts, documents and research behind UFOs and UAP.
We add newly reviewed sources as they are ready. Not all of our research is public yet.
381 sources so far
Atmospheric propagation explanations are assessed against selected unidentified radar-return reports.
Supplied transcription readScreened observations, calibrated data and interoperable archives form Vallée’s proposed UAP research strategy.
Supplied text and diagram readA proposed 1953 investigation and later disputes are documented in the reproduced Pentacle memorandum and correspondence.
Supplied documents readKnuth describes claimed Stanford imagery while explicitly stating that it has not been independently vetted or authenticated. Reported filming, relayed viewing and comparisons to technical concepts remain distinct; the excerpt does not validate the object or its propulsion.
Selected written narration reviewed; full talk and imagery pendingDisclosure-access promises and alternative UFO explanations are discussed by Weinstein.
Supplied transcript readAn alleged concealed program is discussed by Weinstein while its nature and contents remain unresolved.
Supplied transcript readUFO encounter reports are compared with folklore and historical accounts of apparent visitors.
Supplied narrative read with gaps; 391 Constable layouts viewedVallée and Aubeck compare historical aerial narratives, religious traditions and later compilations. Their catalogue preserves translation, chronology and source-dependence limits alongside ordinary explanations. Reproduced illustrations and reconstructed records do not authenticate events or demonstrate nonhuman visitation.
Supplied text reviewed; 581 positions with modern whole viewsThis distinct supplied reflow reproduces Hynek and Vallée’s edited discussions and book-family illustrations. It preserves proposed reporting models, ordinary explanations and uncertain witness accounts. Its later image layout does not authenticate missing original photographs, establish independent cases or verify a mechanism.
Distinct reflow; all 322 received native positions documentedGood assembles official-document reproductions, eyewitness accounts and insider relays about UFO secrecy. Goldwater reports denied access; several officials expressly lacked firsthand knowledge. Anonymous recovery claims and purported MJ-12 papers retain authentication and custody gaps. Conventional explanations, denials, inconsistent dates, a forged contact document and Hottel’s absence of further evaluation remain. A newly legible CIRVIS time field validates neither the event nor the reproduced record’s provenance.
All 612 supplied layouts reviewed; fine apparatus and original edition remain partialRetrospective and regression accounts of missing time are assembled by Hopkins.
Supplied book read with gapsA six-page Vallée diary selection records a conversation with Hal and purported Wilson/Davis details through withheld sources. It preserves access-refusal claims, chronology confusion and adverse checks. No actual invitation or contractor hardware evidence is supplied.
Partial book selection readA curated public selection. Source review describes what was read; it does not establish that a claim is true. Our research approach