ASSESSMENT OF MODIFICATIONS TO THE EXPERIMENTAL DISTRESS ALERTING AND LOCATING SYSTEM

The report documents a study of modifications required to allow for the use of the experimental Distress Alerting and Locating System (DALS) as a preoperational SAR system. In particular, the following areas are addressed: Multiple access and false alarms in an attempt to prevent system saturation; Automatic deployment techniques for the user device (hand-held unit); Situation coding to describe emergency status of distressed vessel/person; The feasibility of a frequency modification for operation on an allocated safety and distress frequency; Repackaging techniques incorporating a non-destruct antenna, long shelf life batteries and a sealed (environmentally protected) case; and The desirability and feasibility of adding to the distress device an 'on-air' indicator and/or a 'response to your call' indication. (Author)

• Corporate Authors:

  Operations Research, Incorporated

  1400 Spring Street
  Silver Spring, MD  United States  20910
• Authors:
  • Feinberg, E
  • STEEN, P
  • MCGREGOR, D
  • CORNELL, M
  • Brown, J
• Publication Date: 1973-12

Media Info

• Pagination: 108 p.

Subject/Index Terms

• TRT Terms: Communication systems; Distress alerting systems; Radio; Search and rescue operations
• Subject Areas: Marine Transportation; Safety and Human Factors;

Filing Info

• Accession Number: 00071705
• Record Type: Publication
• Source Agency: National Technical Information Service
• Report/Paper Numbers: Final Rpt.
• Contract Numbers: DOT-CG-31,446-A
• Files: TRIS
• Created Date: Nov 6 1974 12:00AM