Intelligence Law Glossary - Hearability Survey

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Hearability Survey

Administrative Law

Department of Defense Regulation 5240.1-R, Procedures Governing the Activities of DOD Intelligence Components that Affect U.S. Persons, § C5.7.2.2 (Dec. 1982): “Hearability Survey”

The term hearability survey refers to monitoring radio communications to determine whether a particular radio signal can be received at one or more locations and, if reception is possible, to determine the hearability of reception over time.