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CALCULATED NEAR FIELDS OF NAVY HF WHIP ANTENNAS

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J. W. Rockway, P. M. Hansen · 1973

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1973 Navy study established RF radiation safety zones around ship antennas, recognizing personnel hazards decades before consumer wireless proliferation.

Plain English Summary

Summary written for general audiences

Navy researchers calculated electromagnetic field intensities around high-frequency whip antennas on ships to identify radiation hazard zones for personnel and equipment. The 1973 study used computer modeling to determine safe distances from these powerful radio transmitters. This established preliminary safety guidelines for protecting sailors and preventing interference with ordnance and fuel systems.

Why This Matters

This early Navy study represents a crucial recognition that high-powered radio frequency transmitters create significant electromagnetic exposure risks for nearby personnel. What's striking is that military researchers were calculating EMF hazard zones in 1973, decades before consumer wireless devices became ubiquitous. The study's focus on both personnel safety and equipment interference demonstrates that RF radiation effects were well-established concerns in controlled military environments. While Navy HF antennas operate at much higher power levels than consumer devices, this research underscores a fundamental principle: proximity to RF sources matters enormously for exposure levels. The military's proactive approach to establishing safety perimeters contrasts sharply with today's casual acceptance of constant low-level wireless exposure from phones, WiFi, and other consumer devices that surround us daily.

Exposure Information

Specific exposure levels were not quantified in this study.

Cite This Study
J. W. Rockway, P. M. Hansen (1973). CALCULATED NEAR FIELDS OF NAVY HF WHIP ANTENNAS.
Show BibTeX
@article{calculated_near_fields_of_navy_hf_whip_antennas_g4241,
  author = {J. W. Rockway and P. M. Hansen},
  title = {CALCULATED NEAR FIELDS OF NAVY HF WHIP ANTENNAS},
  year = {1973},
  
  
}

Quick Questions About This Study

They calculated electromagnetic field intensities around high-frequency whip antennas to determine hazardous exposure zones for sailors and identify risks to ordnance and fuel systems aboard ships.
High-powered ship radio transmitters create intense electromagnetic fields that can harm personnel and interfere with sensitive equipment like ordnance and fuel systems, requiring established safety perimeters.
They used numerical computer modeling techniques to simulate peak field intensities produced by HF power input to standard Navy whip antennas in realistic shipboard configurations.
The study identified risks to both personnel health from RF radiation exposure and potential interference or damage to ordnance and fuel systems from electromagnetic fields.
Yes, the research specifically aimed to recommend methods for reducing electromagnetic hazards to personnel and equipment, establishing preliminary safety guidelines for hazardous regions around antennas.