July 25, 2004: Finding UFOs - Peter Davenport
Podcast: The Art Bell ArchivePublished On: Fri Sep 05 2025
Description: Art Bell presents a UFO eyewitness named Jim who describes seeing a silent, perfectly triangular black craft gliding over Seattle's Interstate 5 corridor. Jim, who has extensive experience identifying military aircraft, insists the object bore no resemblance to any known aircraft, including the B-2 bomber, and moved with effortless silence at low speed. Art notes his own similar sighting over Pahrump, Nevada.Peter Davenport of the National UFO Reporting Center then introduces a proposal he presented at the recent MUFON Symposium. He explains how passive radar technology, which requires no transmitter of its own, can detect objects in the atmosphere by measuring reflections of existing commercial radio and television signals. Using multiple time-synchronized receivers and GPS-accurate clocks, the system can triangulate the location, velocity, and acceleration of any reflecting object overhead.Davenport reveals that the U.S. Navy already operates a similar system called the Fence, a line of transmitters across the southern United States capable of detecting objects as small as a grapefruit at 15,000 nautical miles. He proposes that civilians build their own receiver network using the Navy's transmitted signal at 216.98 megahertz to independently detect and track unidentified objects in the sky.
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