The National Radio Quiet Zone is a large area of land in the United States designated as a radio quiet zone, in which radio transmissions are restricted by law to facilitate scientific research and th
An older patrol truck used to locate radio interference
A modern patrol truck equipped with detectors
Warning signs at Zone 1 entrance
ECHELON
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ECHELON, originally a secret government code name, is a surveillance program operated by the five signatory states to the UKUSA Security Agreement: Australia, Canada, New Zealand, the UK and the Unite
United States National Radio Quiet Zone
…Command (NIOC) at Sugar Grove. The NIOC is the location of electronic intelligence-gathering systems and is today said to be a key station in the ECHELON system operated by the National Security Agency (NSA). The area has also attracted people who believe they suffer from electromagnetic hypersensitivity…
A radome at RAF Menwith Hill, a site with satellite uplink capabilities believed to be used by ECHELON
RAF Menwith Hill, North Yorkshire, England
Equipment at the Yakima Research Station (YRS) in the early days of the ECHELON program
Teletype operators at the Yakima Research Station (YRS) in the early days of the ECHELON program