USE OF COMMERCIAL BROADCAST FACILITIES FOR EMERGENCY DOD COMMUNICATIONS

Abstract

This report contains details and results which were obtained during the design, installation and testing portion of a program, the intent of which was to demonstrate the technical feasibility of providing emergency DOD teletype communications through the use of a distributed network of commercial AM broadcast stations. This was accomplished utilizing simplex operation with no degradation to the commercial programming material and by duplex operation with the insertion of a keyed audio tone at 425 cycles. The latter introduced some annoyance to the home listener. However, the degrees of intelligibility, which is of primary consideration in an emergency, was not reduced. The system was operated in a trace route mode and in a flood mode and was capable of being checked on a station-by-station basis by any user. The design and equipment problems are discussed and the accumulated data is presented.

Open PDF

Document Details

Document Type
Technical Report
Publication Date
Jul 01, 1966
Accession Number
AD0800669

Entities

People

  • David A. Griffith
  • Donald Spector
  • John R. Martin

Organizations

  • Rome Laboratory

Tags

Communities of Interest

  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Air Force
  • Audio Frequency
  • Bandwidth
  • Broadcasting
  • Command And Control
  • Commercial Equipment
  • Communication Systems
  • Communications Techniques
  • Frequency Bands
  • Frequency Shift
  • Frequency Shift Keyers
  • Materials
  • Modulation
  • Radio Stations
  • Test And Evaluation
  • United States
  • Waveforms

Readers

  • Software Engineering
  • Tactical Satellite Communications Systems Engineering.