6,486 Studies Reviewed. 85.2% of Original Studies Found Biological Effects. The Evidence is Clear.
Shield Your Body
Whole Body / GeneralPart of the Glaser Archive

THE HAZARDS OF RADIO TRANSMITTERS AND THEIR CORRECTION

Bioeffects Seen

READ H. CARD · 1957

Share:

Scientists recognized radio transmitter radiation hazards in 1957, developing protective measures for exposures weaker than today's wireless devices.

Plain English Summary

Summary written for general audiences

This 1957 conference paper examined the health hazards associated with radio transmitter exposure, including electric shock and microwave radiation risks. The research focused on identifying protective measures and safety corrections for radio frequency exposures. This represents early scientific recognition that RF transmitters posed potential health risks requiring protective protocols.

Why This Matters

What makes this 1957 research particularly significant is its early recognition that radio transmitters posed health hazards worth studying and addressing. At a time when the electronics industry was rapidly expanding, scientists were already documenting the need for protective measures against RF radiation exposure. This wasn't just about electric shock from equipment malfunction - the inclusion of 'microwave' and 'radiation hazards' in the keywords suggests researchers understood that the electromagnetic emissions themselves could be problematic.

The reality is that many of the radio transmitters studied in 1957 operated at power levels far lower than today's cell towers, WiFi routers, and wireless devices that surround us constantly. Yet scientists of that era recognized the importance of protective protocols. Today's ubiquitous wireless environment exposes us to RF radiation levels that would have required safety corrections in 1957, yet we carry these transmitters in our pockets and sleep next to them on nightstands.

Exposure Details

Power Density
20 milliwatts per cm²

Exposure Context

This study used 20 milliwatts per cm² for radio frequency:

Building Biology guidelines are practitioner-based limits from real-world assessments. BioInitiative Report recommendations are based on peer-reviewed science. Check Your Exposure to compare your own measurements.

Where This Falls on the Concern Scale

Study Exposure Level in ContextStudy Exposure Level in ContextThis study: 20 milliwatts per cm²Extreme Concern - 1,000 µW/m²FCC Limit - 10M µW/m²Effects observed in the Extreme Concern range (Building Biology)This level is 20 times the FCC limit

Study Details

To analyze the hazards associated with radio transmitters and propose effective safety measures for their correction

The document analyzes hazards of radio transmitters through examination of electric shock effects, r...

The study found that radio transmitters pose significant hazards including electric shock from high ...

The document concludes that radio transmitters are dangerous due to high voltages and radiation exposure. Successful safety engineering requires incorporating safety measures from the ground up during design. The most effective safety device is a careful, well-trained, safety-minded person. Proper interlock systems, grounding mechanisms, and design considerations are essential for minimizing hazards.

Cite This Study
READ H. CARD (1957). THE HAZARDS OF RADIO TRANSMITTERS AND THEIR CORRECTION.
Show BibTeX
@article{the_hazards_of_radio_transmitters_and_their_correction_g5659,
  author = {READ H. CARD},
  title = {THE HAZARDS OF RADIO TRANSMITTERS AND THEIR CORRECTION},
  year = {1957},
  
  
}
No DOI on file for this study.

Quick Questions About This Study

The research examined electric shock risks and microwave radiation hazards from radio transmitters. Scientists were developing protective measures and safety corrections for RF exposure, indicating early recognition that radio frequency emissions posed health risks beyond simple electrical accidents.
Microwave frequencies were emerging in radar and communication systems, and scientists recognized these could cause biological effects. The focus on protective corrections suggests researchers understood that microwave radiation required specific safety protocols beyond standard electrical safety measures.
Most 1957 radio transmitters operated at much lower power levels than modern cell towers and wireless infrastructure. Yet scientists still identified radiation hazards requiring protective measures, highlighting how today's constant RF exposure exceeds what concerned researchers decades ago.
While specific details aren't available, the research focused on developing protective measures and safety corrections for both electric shock and radiation hazards. This indicates scientists were creating protocols to minimize harmful exposure from radio frequency transmitters.
Yes, it demonstrates that scientists recognized RF radiation health hazards over 65 years ago, when exposure levels were much lower. This early scientific concern about radio transmitter safety validates current questions about our dramatically increased wireless exposure levels.