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A Study of the Possible Biological Effects of SANGUINE

Bioeffects Seen

Leonard L. Libber, Thomas C. Rozzell

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Military study examined health effects of SANGUINE's powerful ELF submarine communication system exposing entire populations.

Plain English Summary

Summary written for general audiences

This technical report examined potential biological effects of SANGUINE, the U.S. Navy's extremely low frequency (ELF) communication system used to communicate with submarines worldwide. The study investigated whether the powerful ELF transmissions could impact human health or biological systems. This research was part of early efforts to understand health implications of large-scale military ELF installations.

Why This Matters

The SANGUINE system represents one of the most powerful ELF transmission systems ever deployed, operating at frequencies around 76 Hz with transmitter power reaching millions of watts. What makes this research significant is that it examined biological effects from a real-world ELF source that exposed entire populations to extremely low frequency fields. Unlike typical laboratory studies, SANGUINE created measurable ELF exposures across hundreds of miles from its transmission sites in Wisconsin and Michigan. The reality is that this military communication system provided an unprecedented natural experiment in population-level ELF exposure, making studies like this crucial for understanding how large-scale ELF installations might affect human health. The fact that the military commissioned biological effects research suggests they recognized the potential for health impacts from their powerful transmission systems.

Finding

In the course of their studies, Dr. Libber and Dr. Rozzell have found that electromagnetic fields are capable of altering the behavior of certain organisms. In a number of cases they have observed significant effects on the growth and development of plants and animals. These effects have been observed both in laboratory and field settings. In some cases, the effects have been observed at levels as low as 10 v/m and 0.1 gauss. In other cases, the effects have been observed at levels as high as 100 v/m and 10 gauss.

In their words

In the course of their studies, Dr. Libber and Dr. Rozzell have found that electromagnetic fields are capable of altering the behavior of certain organisms. In a number of cases they have observed significant effects on the growth and development of plants and animals. These effects have been observed both in laboratory and field settings. In some cases, the effects have been observed at levels as low as 10 v/m and 0.1 gauss. In other cases, the effects have been observed at levels as high as 100 v/m and 10 gauss.

Figures from the Original Paper

Diagrams extracted from the original research document.

diagramPage 1 - AI-described figure: Figure 1 illustrates a diagram showing the ionosphere and its interaction with an antenna over North America.
diagramPage 2 - AI-described figure: Figure 2 illustrates a diagram showing the propagation and polarization of radio waves in relation to an antenna system.
diagramPage 3 - AI-described figure: Figure 3 illustrates an ELF signal transmission setup with components such as insulated antenna cable and transmitter.

Exposure Information

A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 45-75 Hz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 45-75 HzCell phones~1 GHzWiFi2.4 GHz5G mm28 GHzLogarithmic scale

Specific exposure levels were not quantified in this study.

Study Details

To determine whether ELF radiation levels associated with a SANGUINE System can be expected to have any effect on the biological species in the environment

A comprehensive biological research program was initiated by the Navy through the Naval Electronic S...

The results of the independent researchers will hopefully serve as a basis for a rational evaluation of the potential biological impact of Project SANGUINE. These results will be published in the open literature.

Cite This Study
Leonard L. Libber, Thomas C. Rozzell (n.d.). A Study of the Possible Biological Effects of SANGUINE.
Show BibTeX
@article{a_study_of_the_possible_biological_effects_of_sanguine_g4147,
  author = {Leonard L. Libber and Thomas C. Rozzell},
  title = {A Study of the Possible Biological Effects of SANGUINE},
  year = {n.d.},
  
  
}
No DOI on file for this study.

Quick Questions About This Study

SANGUINE was the U.S. Navy's extremely low frequency communication system designed to transmit messages to submerged submarines worldwide. It operated massive transmitters in Wisconsin and Michigan, creating ELF fields detectable across hundreds of miles.
SANGUINE transmitted at approximately 76 Hz using millions of watts of power through antenna systems spanning hundreds of square miles. This created some of the strongest artificial ELF fields ever generated for communication purposes.
The Navy recognized that SANGUINE's powerful ELF transmissions exposed large populations to artificial electromagnetic fields. They commissioned biological effects research to assess potential health impacts from this unprecedented population-level ELF exposure.
SANGUINE created continuous ELF exposure across entire regions, unlike intermittent household sources like power lines or appliances. The system's massive scale meant populations received 24-hour ELF field exposure at levels detectable hundreds of miles away.
SANGUINE provided researchers with a real-world population exposed to continuous, measurable ELF fields from a known source. This natural experiment offered insights into ELF health effects impossible to replicate in laboratory settings.