Lewis C. Gershman
Researchers exposed rabbits to microwave radiation for one hour daily over 10 days at power levels of 15 milliwatts per square centimeter, testing both 5.85 GHz pulsed and 2.45 GHz continuous wave frequencies. They found no significant changes in 12 different blood serum parameters compared to unexposed control animals. This contradicted earlier research that reported decreased albumin-to-globulin ratios under similar exposure conditions.
Unknown authors
This technical report documents frequency measurements and electromagnetic field characteristics at the CN Tower, one of Canada's largest broadcast transmission facilities. The study measured power density levels and antenna factors across various radio frequencies transmitted from this major urban broadcast site. This type of data helps establish baseline EMF exposure levels in areas surrounding major transmission towers.
Unknown authors
This Holaday Industries product brochure showcased microwave measurement instrumentation used to detect and quantify electromagnetic field exposure levels. The company specialized in RF and microwave detection equipment that became essential tools for researchers studying EMF health effects. These instruments helped establish the measurement standards still used today in EMF research.
Unknown authors
This technical report examined how liquid crystals could be used as measurement tools for detecting microwave and infrared radiation. The research explored the unique properties of liquid crystals that make them responsive to electromagnetic fields, potentially offering new ways to measure EMF exposure levels.
Unknown authors
This technical report examines Allied Tower specifications and antenna configurations for RF transmission systems. The document provides engineering data on tower structures that emit radiofrequency radiation in communities nationwide. Understanding tower specifications helps assess potential EMF exposure levels for nearby residents.
Unknown authors
This technical brochure from LeBlanc and Royle Communications Towers Limited details the installation and construction components of RF communications towers. The document provides technical specifications for tower infrastructure that transmits radiofrequency signals across communities. While not a health study, it represents the technology creating widespread EMF exposure from cell towers and broadcast antennas.
Unknown authors
This technical report from Stainless Inc examines communication tower infrastructure, focusing on various transmission types including AM, FM, CATV, and microwave systems. The document appears to address engineering considerations like wind pressure effects on tower structures. While specific EMF measurements aren't detailed, it relates to the broad category of broadcast transmission sources that contribute to our daily electromagnetic exposure.
Utility Tower Company
This technical report by Utility Tower Company examines broadcast tower infrastructure, focusing on installation specifications, climbing safety features, and structural engineering requirements including wind load calculations. While specific EMF measurements aren't detailed, broadcast towers are significant sources of radiofrequency radiation in communities. The report addresses the technical aspects of tower construction that affect both worker safety and public RF exposure levels.
P. Lövsund, P.A. Öberg, S.E.G. Nilsson
Researchers measured extremely low frequency (ELF) magnetic fields in welding and steel manufacturing facilities, finding exposures of 0-10 mT at 50 Hz in typical work areas, with some induction heaters producing fields up to 60 mT. The study suggests these industrial magnetic field exposures likely cause magnetophosphenes (visual light sensations) in workers, though these effects are hard to detect in brightly lit industrial environments.
Unknown authors
This government report establishes performance standards for microwave ovens, focusing on power density limits, safety interlocks, and radiation detection requirements. The standards aim to prevent microwave radiation leakage that could pose health risks to users. These regulations represent one of the few areas where government agencies actively control public EMF exposure levels.
Unknown authors
This conference paper examined how microwave electromagnetic fields interact with biological systems, specifically focusing on effects on the nervous system and red blood cell membranes. The research explored the fundamental mechanisms by which microwave radiation affects living tissue at the cellular level. This type of foundational research helps scientists understand the biological pathways through which EMF exposure may impact human health.
Ronald W. P. King, Glenn S. Smith
This technical report examined electric field probes and their applications in electromagnetic compatibility (EMC) testing. The research focused on probe design, antenna characteristics, and dielectric properties relevant to microwave frequencies. While primarily an engineering study, this work has implications for biomedical applications where accurate EMF measurement is critical.
Arne Eriksson, Kjell Hansson Mild
Researchers measured radiofrequency electromagnetic fields around plastic welding machines and found that operators are exposed to RF levels that substantially exceed occupational safety standards at distances up to 1 meter from the equipment. The study tested various shielding methods and found that proper RF suppression devices can reduce these dangerous exposure levels to acceptable limits.
Unknown authors
This technical report examined methods for measuring the electrical properties of muscle tissue using specialized probes and modeling techniques. The research focused on developing accurate ways to measure how electromagnetic fields interact with living tissue, particularly muscle. This type of foundational research helps scientists understand how EMF exposure affects the human body at the tissue level.
Unknown authors
This technical report studied how transmission loss changes as the distance between an antenna and the human body increases, using 158 MHz radio frequency signals. The research examined electromagnetic scattering patterns around metallic cylinders and body phantoms to understand how proximity affects signal strength. This type of research helps determine safe operating distances for radio equipment and informs exposure guidelines.
Narda Microwave Corporation
This technical document describes the NARDA Model 8609 electromagnetic radiation monitor, a specialized instrument designed to measure microwave field strength using an isotropic probe. The device represents professional-grade equipment used to assess electromagnetic radiation levels in various environments. Such monitoring equipment plays a crucial role in documenting actual EMF exposures that people encounter daily.
Jaski
This technical study by Jaski focused on developing methods to detect and measure microwave radiation hazards, particularly using thermistor-based dosimetry systems to assess power density levels. The research addressed the critical need for accurate detection equipment to identify potentially harmful microwave exposures in various environments. This work represents early efforts to establish proper measurement protocols for microwave radiation safety assessment.
Unknown authors
Researchers exposed rats and mice to powerful 60 Hz electric fields (100 kV/m) for up to 4 months, measuring growth rates, organ weights, metabolism, and hormone levels. Despite using carefully controlled conditions to eliminate interference factors, they found no significant differences between exposed and control animals in any measured parameter. This challenges previous conflicting studies that reported both enhanced and reduced growth from electric field exposure.
Unknown authors
Researchers exposed rats to 1.3 GHz pulse-modulated microwave radiation for 2-3 weeks, 3 hours daily, at power levels up to 2.6 mW/g to test effects on the blood-brain barrier. They used sodium barbital absorption rates as a marker but found no significant changes. This contradicts other studies showing microwave radiation can compromise the blood-brain barrier at non-thermal levels.
Unknown authors
Researchers exposed mouse lymphoma cells to AC magnetic fields at different strengths and frequencies, finding that the magnetic field exposure actually slowed cancer cell growth. In laboratory dishes, cells exposed to 130 Gauss at 1950 Hz grew 31-149% compared to unexposed cells that grew 75-318%. In live mice, tumors exposed to 1000 Gauss at 60 Hz were smaller (2.06 grams) than unexposed tumors (3.1 grams).
Unknown authors
Researchers exposed E. coli bacteria to millimeter wave radiation in the 51.3-52.3 GHz frequency range (similar to some 5G frequencies) at low power levels. The study examined whether this exposure could trigger colicin production, a stress response in bacteria that indicates cellular damage. The research demonstrates that even low-power millimeter wave radiation can cause biological effects in living cells.
Unknown authors
This technical report examined electromagnetic hazards within safety zones around radio and TV transmitters, focusing on Polish safety standards and how metallic structures might affect field exposure levels. The research evaluated whether current safety zones adequately protect people from potentially harmful electromagnetic field exposures near broadcast facilities. This type of assessment is crucial for establishing proper buffer distances around high-power transmission sites.
Unknown authors
Researchers compared how low-frequency magnetic fields and electric currents trigger phosphenes (visual flashes when eyes are closed). Both methods produced nearly identical visual effects up to 20 Hz, but magnetic fields showed unique sensitivity patterns at higher frequencies around 30-35 Hz. This reveals fundamental differences in how electromagnetic energy interacts with human visual perception.
Unknown authors
Researchers exposed rats to microwave energy at two power levels (50 and 125 μW/cm²) and tested their behavioral responses using a tail pinch test that measures brain dopamine system function. Both exposed groups showed significantly different behavioral patterns compared to unexposed control rats, suggesting microwave radiation affects the brain's dopamine pathways that control movement and behavior.
Unknown authors
Researchers tested whether 2450 MHz microwave radiation could open the blood-brain barrier in rats using a special direct contact applicator for precise exposure control. Even at power levels up to 28 mW/g in brain tissue for 20 minutes, the microwaves did not cause barrier opening or brain staining. This finding suggests the blood-brain barrier remains intact under these specific microwave exposure conditions.
