Evidence Explorer

Full-text search across cases, agency files, testimony, map pins, and related entities.

273 matching evidence objects

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Matching “Signal Analysis” across titles, summaries, and full OCR text.

100% match

UAP D020 Gemini 5 Technical Debriefing Part2 1965

Other Confidential Released — Credibility 90% Original ↗
The document is a technical debriefing transcript of the Gemini V mission, focusing on the flight crew's operational experiences and observations during the mission. It includes discussions on systems operations, visual sightings, experiments, and various technical aspects of the spacecraft's performance.
100% match

733667-001-024

Other Unclassified Released — Credibility 90% Original ↗
…investigation into the reported UFO sighting by Japan Airlines flight 1628 on November 17, 1986. The investigation included interviews with the flight crew and analysis of radar data, which suggested that the sighting was likely a split radar return rather than an unidentified aircraft.
94% match

293206371-006

Police Report Unclassified Released — Credibility 70% Original ↗
This document references an item found in November 1957 by the City Police of New Orleans, specifically a rocket-propelled red star signal parachute flare.
94% match

733667-001-008-0007

Other Unclassified Released — Credibility 70% Original ↗
… document appears to be a transcript of a conversation regarding radar observations of an unidentified target, discussing the clarity and strength of the radar signal in relation to weather conditions.
94% match

733667-001-011-0011

Other Unclassified Released — Credibility 90% Original ↗
The document discusses the radar data related to Japan Airlines flight 1628, which experienced uncorrelated radar signals during its flight on November 17, 1986. FAA experts analyzed the radar data and explained the phenomenon of uncorrelated targets, emphasizing that this occurrence coincided with a pilot's sighting of an unidentified object.
94% match

733667-001-011-0012

Radar Report Unclassified Released — Credibility 80% Original ↗
The document discusses the phenomenon of uncorrelated radar returns from aircraft, specifically detailing the differences between primary radar signals and secondary transponder signals.
94% match

733667-001-011-0022

Radar Report Unclassified Released — Credibility 80% Original ↗
The document discusses a radar observation of an unidentified target, detailing the characteristics of the radar return signal and the timing of the sighting.
94% match

733667-001-011-0120

Other Unclassified Released — Credibility 80% Original ↗
This document outlines technical guidelines for digitizing cultural heritage materials, focusing on the evaluation of imaging systems' performance through various metrics such as Spatial Frequency Response (SFR) and Modulation Transfer Function (MTF).
94% match

733667-001-019-0018

Radar Report Unclassified Released — Credibility 80% Original ↗
The document discusses the phenomenon of uncorrelated radar signals, specifically the differences between primary radar returns and secondary beacon returns when tracking aircraft.
94% match

733667-001-019-0178

Radar Report Unclassified Released — Credibility 80% Original ↗
The document discusses the phenomenon of uncorrelated radar signals, explaining the differences between primary and secondary radar returns and how they can indicate the presence of an aircraft.
94% match

733667-001-020-0003

Radar Report Unclassified Released — Credibility 90% Original ↗
The document discusses the phenomenon of uncorrelated radar signals, specifically detailing the differences between primary radar returns and secondary beacon returns. It includes a diagram illustrating how these signals can appear on a radar screen when they do not match up in time or location.
94% match

733667-001-022-0010

Radar Report Unclassified Released — Credibility 80% Original ↗
The document discusses the phenomenon of uncorrelated radar signals, explaining how primary and secondary radar returns can occur at different times, leading to discrepancies in radar tracking of aircraft.
94% match

733667-001-023-0002

Radar Report Unclassified Released — Credibility 80% Original ↗
The document discusses the phenomenon of uncorrelated radar signals, explaining the differences between primary and secondary radar returns and their implications for radar tracking of aircraft.
94% match

23857122-1216-481596-0007

Foia Release Unknown Released — Credibility 1% Original ↗
… sacrificed when searching for lost or overdue pilots. WITH TRAFFIC CLEARANCE IN CONTROL ZONES IN CONTROL AREAS ELSEWHERE GROUND TO AIR EMERGENCY CODE DISTRESS SIGNALS = By) . ar PE BR rg ian a —— a Te —— 7 Tw. —_ = yy PS Dae » YR ay BA), SING) ' bagll aa ie ») Wy Ph cea 4 - a ‘ Fe yy a =A yy ) 15 ) x tf ) ad hi 4 ZX oo FRR TALEND occ Bk eee ae i vie od Ze p…
94% match

333336024

Foia Release Unknown Released — Credibility 1% Original ↗
_RESTRIGTED (CLASSIFICATION) APPROVED ” Gndbed States —— pe TR-3-53 ge XI 5. Vo On _AIR INTELLIGENCE INFORMATION REPORT Report of the Observation of an Unidentified Flying Object | AREA REPORTED ON ane Eo gia AD A Ne ae SE WD phe ie FROM (Agency) Me Austin, Texas l2th Strategic Fighter Wing RDALEQRREPORT: (60°02, One we tama onaY ee DATE OF INFORMATION EVALU…
94% match

23857122-1266-487902-0009

Foia Release Unknown Released — Credibility 1% Original ↗
… | | é DISAPPERED INTO : | | a ‘ | —() THE SOUTHWEST | MR. HOME le we) ee (14 BLOGKS FROM | ot ——(_) 4 (| PLAGE OF EMPLOYMENT) 9TH AVE = | ay a —N | GX TRAFFIG SIGNAL __5 TH AVE o | “i | ur ; Ly = e g Q oF o =: X TRAFFIG SIGNAL 1ST AVE | Se)” | a ie X MR SMB POSITION WHEN _ * TRUE DISTANGE, ALTITUDE OR POSITION OF THE OBJECTS HE Ribot OBSCHVER Se vECTS.’ REL…
94% match

333336101

Foia Release Unknown Released — Credibility 1% Original ↗
FORM 112 APPROVED 1 JUPE 1948 , / & < ; ¥; ¥ ; i rath vw 5 - 1 g 7 ~~ uated plied ag oe Pr rotted state i ae eal P” FZ ___AIR INTELLIGENCE INFORMATION REPORT | SUBJECT Reporting of Information on Unidentified Flying Objects Vp{o he ~ A wt 7 — ao) | — —-- rd “AREA REPORTED ON FROM (Agency ) Illinois Director of Intelligence, Has Tenth AF noe eens re ee ernten…
94% match

12237637

Congressional Testimony Unclassified Released — Credibility 90% Original ↗
This document contains a series of communications and statements from Gerald R. Ford, including a call for a congressional investigation into UFO sightings in Michigan, reflecting public interest and concern over unidentified flying objects.
94% match

Ford Broadcasts, 1965-1966 — Page 37637

Foia Release Unclassified Released Jun 15, 2026 Credibility 70% Original ↗
The original documents are located in Box D37, folder “Ford Broadcasts, 1965-1966” of the Ford Congressional Papers: Press Secretary and Speech File at the Gerald R. Ford Presidential Library. Copyright Notice The copyright law of the United States (Title 17, United States Code) governs the making of photocopies or other reproductions of copyrighted material…
94% match

ufo2

Fbi Memo Confidential Released — Credibility 80% Original ↗
This document contains various reports and communications regarding sightings of unidentified flying objects (UFOs) in the United States during July 1947, including descriptions of objects resembling flying saucers and investigations by local authorities and the FBI.