Radio-Wave Propagation Measurements over Sea Water

Abstract

Propagation loss was measured at three frequencies (30, 140, and 412 MHz) over various sea-water paths out to 40 nautical miles between a moderately elevated shore-based receiving site and a floating transmitter platform essentially at the water's surface and subject to wave motion. The measured losses agreed well with theory, assuming a 'standard atmosphere' for the test conditions. Certain anomalies and ocean-wave effects were noted. In general, meteorological conditions were relatively constant and 'normal' for eastern Florida in summer.

Open PDF

Document Details

Document Type
Technical Report
Publication Date
Aug 01, 1972
Accession Number
AD0755511

Entities

People

  • M. M. Algor

Organizations

  • Harry Diamond Laboratories

Tags

Communities of Interest

  • Advanced Electronics
  • Air Platforms
  • Energy and Power Technologies
  • Ground and Sea Platforms
  • Materials and Manufacturing Processes
  • Sensors

DTIC Thesaurus Topics

  • Air Force
  • Electromagnetic Wave Propagation
  • Frequency
  • Measurement
  • Mechanical Jamming
  • Meteorological Data
  • Oceans
  • Radar
  • Radio Transmission
  • Radio Waves
  • Refractive Index
  • Sea Water
  • Standards
  • Tank Guns
  • Transmitters
  • Transmitting
  • Wave Propagation

Fields of Study

  • Environmental science

Readers

  • Aerospace Test and Evaluation
  • Atmospheric Science / Meteorology, specifically Wind Wave Turbulence.
  • Electromagnetic Wave Scattering and Antenna Radiation Engineering