FACTORS AFFECTING THE RANGE OF A U.H.F. DIGITAL DATA SYSTEM IN THE REGION OF AND BEYOND THE HORIZON

Abstract

Practical radio ranges for a high data rate system, known as U.H.F. Data Link, obtained between ground transmitters and an aircraft flying at altitudes up to 18000 feet are analysed for transmitter powers of 100 watts and 3 kilowatts with three different degrees of aerial gain. The higher power transmissions provided beyond-the-horizon reception and the second part of this paper gives information concerning signal strength distributions, fading characteristics and their effects upon communication efficiency in this region.

Open PDF

Document Details

Document Type
Technical Report
Publication Date
Apr 01, 1966
Accession Number
AD0396904

Entities

People

  • Donald P. May

Organizations

  • Royal Aircraft Establishment

Tags

Communities of Interest

  • Air Platforms

DTIC Thesaurus Topics

  • Aircrafts
  • Altitude
  • Amplifiers
  • Barometric Pressure
  • Circuits
  • Converters
  • Data Links
  • Diagrams
  • Frequency
  • Frequency Shift
  • Ground Stations
  • Instrumentation
  • Radio Transmitters
  • Resonant Circuits
  • Transmitters
  • Tuned Circuits
  • Warning Systems

Readers

  • Aviation Science / Aeronautics.
  • Optical Physics and Photonics.
  • Space/Atmospheric Physics.