Atmospheric Icing and Broadcast Antenna Reflections

Abstract

This study assesses the effects of atmospheric icing on broadcast transmission reflections on two mountains- Mount Mansfield in northern Vermont and Mount Washington in New Hampshire. Experience and theory suggest that antenna ice accretions produce large signal reflections. Correlations between reflection coefficients and ice accretions on Rosemount ice detectors adjacent to antennas were low and occasionally negative. The unexpected correlations may be due to factors not measured, such as antenna tuning, ice type and ice location on the antenna system. Other confounding factors may include ice detector performance and methods used to compute antenna ice accretions from the ice detectors. Keywords include: Antenna icing, Atmospheric icing, Commercial broadcasters, Ice detectors, Mount Mansfield, and Mount Washington.

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Document Details

Document Type
Technical Report
Publication Date
Aug 01, 1988
Accession Number
ADA200378

Entities

People

  • Charles C. Ryerson

Organizations

  • Cold Regions Research and Engineering Laboratory

Tags

Communities of Interest

  • Advanced Electronics
  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Coefficients
  • Cold Regions
  • Detectors
  • Dielectric Properties
  • Dielectrics
  • Electrical Properties
  • Electromagnetic Radiation
  • Engineering
  • Frequency
  • Measurement
  • New Hampshire
  • Observatories
  • Reflection
  • Regions
  • Standing Waves
  • Statistical Analysis
  • Transmitters

Readers

  • Phased Array Antenna Design.
  • Polar and Arctic Studies