M. Saito, H. P. Schwan
This technical study by Saito examined pearl-chain formation, a phenomenon where spherical particles align in chains when exposed to electromagnetic fields. The research focused on understanding the time constants (how quickly this alignment occurs) for dielectric spheres under electrical field exposure. This work contributes to our understanding of how electromagnetic fields can physically reorganize biological and non-biological materials.
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.
H. M. Schlicke
This technical research by H.M. Schlicke examined filtering methods for controlling electromagnetic interference (EMI) and improving electromagnetic compatibility (EMC). The study focused on power-line filters and other filtering techniques used to reduce unwanted electromagnetic emissions from electronic devices.
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.
J. D. Hardy, D. Murgatroyd
Military researchers studied how high-intensity thermal radiation affects human pain perception and tissue damage across different body areas. The study examined how the size and location of exposed body areas influence pain response, using pain as an indicator of tissue damage. This research aimed to understand thermal radiation effects on military personnel exposed to flames and special weapons.
HADUCH, S
This NASA technical report investigated how high-frequency electromagnetic fields affect the human body, with particular focus on white blood cells (leukocytes) and neutrophil granulocytes. The research examined biological responses to radiofrequency radiation exposure, contributing to our understanding of how EMF affects immune system components.
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.
JOHN E. BOYSEN
This early research by Boysen investigated both heating (hyperthermic) and tissue damage (pathologic) effects from electromagnetic radiation at 350 megahertz frequency in laboratory animals. The study examined how microwave radiation causes biological changes beyond simple thermal heating. This represents foundational research into the harmful effects of electromagnetic exposure on living tissue.
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.
Unknown authors
This technical report documents the specifications and capabilities of the Wavetek Model 178 Programmable Waveform Synthesizer, a laboratory instrument used to generate precise RF signals for testing and research. The device features programmable frequency generation with GPIB computer control and microprocessor-based operation. While not a health study itself, this type of equipment is essential for conducting controlled EMF exposure research.
Unknown authors
This technical report introduces specialized microwave frequency counters capable of measuring signals up to 40 GHz. These instruments represent the type of equipment needed to accurately assess microwave radiation exposure from modern wireless devices and industrial sources.
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.
John Roman
This technical report examined radio frequency hazards to human health, with particular focus on microwave heating effects and lens opacities (cataracts). The research documented biological effects from RF exposure and assessed potential health risks from electromagnetic radiation.
T. C. Rozzell, C. C. Johnson, O. P. Gandhi
Researchers developed two specialized fiber-optic probes that can measure microwave power density inside biological tissue and monitor temperature during microwave exposure. These probes don't interfere with the microwave field or create hot spots, enabling measurements that were previously impossible. This represents a significant advancement in accurately studying how microwave radiation affects living tissue.
Unknown authors
Researchers developed a fiber-optic temperature probe using gallium arsenide sensors that can accurately measure temperature during microwave hyperthermia treatments without interfering with the electromagnetic fields. The probe uses infrared light at 907 nanometers and can measure temperatures from 15-55°C, making it suitable for cancer treatment monitoring where traditional metal probes would create dangerous interference.
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 exposed male rats to 1.29 GHz microwave radiation at 15 mW/cm² for 90 minutes and measured stress hormone levels in their blood. The exposed rats showed dramatically elevated corticosterone (stress hormone) levels that were 6-8 times higher than unexposed rats after 75 minutes. This study demonstrates that microwave radiation can trigger significant stress responses in the body at frequencies close to those used by cell phones.
Unknown authors
Researchers exposed rats to extremely high-intensity 918 MHz microwave radiation (60 mW/g) to see if the animals would learn to escape to a safe area. The rats failed to learn escape behavior from microwave exposure alone, but did learn when a light cue was paired with the radiation. This suggests that even near-lethal microwave radiation lacks the sensory qualities that animals can detect and respond to.
Unknown authors
Researchers developed a broadband microwave applicator operating from 150 MHz to 1100 MHz designed to deliver focused energy to deep-seated tumors for cancer hyperthermia therapy. The device uses a specialized horn design filled with a high-dielectric liquid to penetrate deeper into tissue while preventing surface overheating. This represents engineering work to optimize medical microwave delivery rather than health effects research.
Unknown authors
This technical report measured electromagnetic activity naturally produced by the human body across frequencies from 1 kHz to 2 GHz, using advanced equipment including microwave radiometers and medical monitoring devices. The research documented the body's own electromagnetic emissions, including thermal radiation and bioelectrical signals from organs like the heart and brain. This work helps establish baseline measurements for understanding how external EMF sources interact with the body's natural electromagnetic environment.
Unknown authors
Scientists studied how microwave radiation is absorbed by the human body using layered models that include skin, fat, and muscle tissues. They discovered that at 1.2 GHz, these body layers create a resonance effect that doubles radiation absorption compared to simpler models. This finding suggests that realistic body composition significantly affects how much electromagnetic energy we absorb from wireless devices.
