Medium Speed Digital Data Transmission Tests over a 1900 km HF (High Frequency) Radio Link Using Doppler Spread of a CW (Continuous Wave) Test Transmission as a Real Time Frequency Management Technique.

Abstract

This document describes tests conducted jointly by the Advanced Engineering Laboratory (AEL) and the Electronics Research Laboratory (ERL) at the Defense Research Centre Salisbury (DRCS), in December 1981 which attempted to real-time frequency manage HF radio medium speed digital data transmissions between Townsville and DRCS, a distance of approximately 1900 km. Instrumentation which monitored the Doppler spectra of a CW stepped frequency sounder transmission originating in Townsville was used as an aid in selecting the optimum operating frequency. The work forms part of the HF Enhancement Study being carried out by AEL and ERL and is sponsored by DGJCE. (Author)

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Document Details

Document Type
Technical Report
Publication Date
Mar 01, 1983
Accession Number
ADA142044

Entities

People

  • J. R. Tilbrook

Tags

Communities of Interest

  • Electronic Warfare
  • Human Systems

DTIC Thesaurus Topics

  • Air Force
  • Automatic Gain Control
  • Classification
  • Communication Systems
  • Continuous Waves
  • Data Transmission
  • Digital Data
  • Doppler Effect
  • Electronics
  • Engineering
  • Frequency
  • Frequency Allocation
  • Instrumentation
  • Ionosondes
  • Radio Communications
  • Radio Links
  • Spectra

Readers

  • Aerospace Test and Evaluation
  • European Security and Defence Policy (ESDP).
  • Space/Atmospheric Physics.

Technology Areas

  • Microelectronics