EQUIPMENT SYSTEMS IMPROVEMENT PROGRAM - DEVELOPMENT - EVALUATION OF AN AUTOMATIC DIRECTION FINDER FOR HIJACKED TRUCK LOCATION

The measurements taken with the ADF in a test truck indicated that the errors were greater than an acceptable level. Measurements were made at seventeen sites, which ranged in character from downtown, with high-rise buildings, to some relatively uncluttered flat areas. The level of errors correlated with the complexity of the environment and indicated that buildings, power lines, and other potential reradiators strongly influence the electromagnetic field, even at wavelengths as long as 500 meters. On the basis of these tests, it is recommended that the use of a truck-installed ADF be eliminated as a candidate for hijacked truck location.

• Corporate Authors:

  Aerospace Corporation

  2350 East El Sequdo Boulevard
  El Sequndo, CA  United States  90245
• Authors:
  • Mas, N A
• Publication Date: 1973

Media Info

• Pagination: 36 p.

Subject/Index Terms

• TRT Terms: Automation; Electromagnetic fields; Equipment; Evaluation; Multistory structures; Radio direction finders; Transmission lines; Trucks; Vehicle theft
• Uncontrolled Terms: Direction finding
• Subject Areas: Highways; Motor Carriers; Safety and Human Factors;

Filing Info

• Accession Number: 00139371
• Record Type: Publication
• Source Agency: Department of Justice
• Report/Paper Numbers: TOR-0073(3658-02)-2
• Contract Numbers: F02701-72-C-0073, LEAA-J-IAA-035-2
• Files: TRIS
• Created Date: Nov 3 1976 12:00AM