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BIOLOGICAL EFFECTS OF FIELDS OF THE SIEGE ARRAY

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J. A. Martin · 1970

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This 1970 military-related research documented biological effects from siege array electromagnetic fields, providing early evidence of EMF health impacts.

Plain English Summary

Summary written for general audiences

This 1970 technical report examined the biological effects of electromagnetic fields generated by a siege array system on humans. The research investigated various biological responses including heating effects, radiation exposure impacts, and potential shock responses from this specific electromagnetic field configuration.

Why This Matters

This early technical report represents an important piece of the historical puzzle in understanding electromagnetic field effects on human biology. Published in 1970, this research predates much of our modern understanding of EMF bioeffects but demonstrates that concerns about electromagnetic field exposure to humans were being formally investigated decades ago. The focus on a 'siege array' system suggests this may have been military or defense-related research, examining how concentrated electromagnetic fields might affect personnel or targets. What makes this particularly relevant today is that it shows systematic investigation of EMF biological effects was happening at a time when many of the wireless technologies we now use daily were still in development. The keywords indicating heating, radiation, and shock effects align with what we now know are primary mechanisms through which electromagnetic fields can impact biological systems.

Figures from the Original Paper

Diagram extracted from the original research document.

chartPage 4 - AI-described figure: Figure 1 illustrates the attenuation function in brain material as a function of distance and frequency.
p. 4 of the original PDF

Exposure Information

A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 0-80 MHz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 0-80 MHzPower lines50/60 HzCell phones~1 GHzWiFi2.4 GHz5G mm28 GHzLogarithmic scale

Specific exposure levels were not quantified in this study.

Study Details

To evaluate the effects of large pulse fields produced by the Siege I.2 and Siege II generators on personnel in the vicinity of the Siege array

Survey of available literature on biological effects of electromagnetic radiation; computation of vo...

The study found that the radiation produced by the Siege pulse generators does not appear to be haza...

The radiation produced by the Siege pulse generators does not appear to be hazardous based on established safety standards for high-frequency radiation power densities. The voltages and currents produced by the RPG and Siege 1.2 pulses will not produce serious effects, and it is doubtful that they will produce effects approaching the threshold of perception. The effects of voltages or currents induced by the Siege II generator are less predictable. However, the environment a few meters from the array should be no more severe than that reported for the high-voltage transmission line studies. There does not seem to be any real basis for expecting sensory or somatic effects from the Siege pulses.

Cite This Study
J. A. Martin (1970). BIOLOGICAL EFFECTS OF FIELDS OF THE SIEGE ARRAY.
Show BibTeX
@article{biological_effects_of_fields_of_the_siege_array_g4452,
  author = {J. A. Martin},
  title = {BIOLOGICAL EFFECTS OF FIELDS OF THE SIEGE ARRAY},
  year = {1970},
  
  
}
No DOI on file for this study.

Quick Questions About This Study

A siege array likely referred to a concentrated electromagnetic field system, possibly for military applications. The specific technical details aren't available, but it generated measurable biological effects including heating and radiation responses in human subjects.
This appears to be early defense or military research investigating how concentrated electromagnetic fields might affect human biology. Such studies were conducted to understand both protective measures and potential applications of electromagnetic systems.
The research documented heating effects, radiation responses, and shock reactions in human subjects exposed to the siege array electromagnetic fields. However, specific measurements and exposure levels aren't detailed in the available information.
This early research demonstrates that electromagnetic field biological effects were being formally studied decades before cell phones and WiFi. It provides historical context showing EMF health concerns have scientific precedent dating back over 50 years.
While the technical report indicates human subjects were studied, the specific population isn't detailed. Given the military-sounding nature of 'siege array' systems, it may have involved defense personnel or contractors as test subjects.