Temporal Change of Outdoor Rf-Emf Levels Four in European Countries: A Microenvironmental Measurement Study
Research
RF Safe Research Library
Jan 1, 2024
This microenvironmental measurement study assessed temporal trends in outdoor RF-EMF exposure from 2016 to 2023 in four European countries using repeated walking-route measurements with exposimeters. The abstract reports that data did not suggest significant changes in mobile base station (downlink) exposure over…
A Decision Support System for Managing Health Symptoms of Living Near Mobile Phone Base Stations
Research
RF Safe Research Library
Jan 1, 2024
This analytical study evaluated machine learning models (SVM and Random Forest) to predict health symptoms in adults living near mobile phone base stations. The SVM model reportedly achieved high predictive performance for headache, sleep disturbance, dizziness, vertigo, and fatigue, and outperformed Random Forest…
Affective evaluation and exposure perception of everyday mobile phone usage situations.
Research
RF Safe Research Library
Jan 1, 2024
This qualitative exploratory study examined affective reactions and perceived RF-EMF exposure in everyday mobile phone and base-station situations in the context of the 5G rollout in Germany. Participants expressed more negative associations with base stations than with mobile phones, though RF-EMF exposure was only…
Physiological changes and symptoms associated with short-term exposure to electromagnetic fields: a randomized crossover provocation study.
Research
RF Safe Research Library
Jan 1, 2022
This randomized blinded crossover provocation study compared short-term RF-EMF exposure mimicking mobile phone base stations versus sham in people with IEI-EMF and controls. Symptom reporting and physiological measures (blood pressure, heart rate, heart rate variability) were similar between provocation and sham…
Health disturbances and exposure to radiofrequency electromagnetic fields from mobile-phone base stations in French urban areas.
Research
RF Safe Research Library
Jan 1, 2021
This cross-sectional survey in five French cities assessed whether measured RF-EMF exposure from mobile-phone base stations was associated with self-reported non-specific and insomnia-like symptoms among residents living within 250 m of a base station. Overall, measured base-station exposure was not associated with…
Exposure assessment of radio frequency electromagnetic field levels in hospitals of Samsun Province, Turkey.
Research
RF Safe Research Library
Jan 1, 2020
This exposure assessment measured RF-EMF levels in 21 state hospitals in Samsun Province, Turkey using short-term, long-term, and band-selective approaches across 100 kHz–3 GHz (total) and 27 MHz–3 GHz (band-selective). The study reports that the ICTA 3 V/m limit was exceeded in at least some hospital measurements,…
[Electromagnetic field in the environment - estimation methods and monitoring].
Research
RF Safe Research Library
Jan 1, 2019
This paper discusses the legal context for environmental EMF measurements and describes methods for estimating EMF intensity from multiple sources, particularly cellular base stations. It presents an engineering concept for mobile EMF monitoring and reports verification testing of the measurement setup. Field…
MEASUREMENT OF EMF EXPOSURE AROUND SMALL CELL BASE STATION SITES.
Research
RF Safe Research Library
Jan 1, 2019
This paper reports a measurement program assessing RF EMF exposure around small cell base station sites. The authors note that relatively little exposure data are available for small cells compared with base stations in general. Measurements were compared with relevant safety guidelines and with existing base-station…
Symptom Presentation in Idiopathic Environmental Intolerance With Attribution to Electromagnetic Fields: Evidence for a Nocebo Effect Based on Data Re-Analyzed From Two Previous Provocation Studies.
Research
RF Safe Research Library
Jan 1, 2018
This paper re-analyzes data from two prior double-blind provocation studies involving RF base station signals and sham exposures. Symptoms and reduced well-being were more strongly associated with participants' belief that the base station was "on" than with the exposure condition itself. The authors conclude that a…
Spatial electromagnetic field intensity modelling of global system for mobile communication base stations in the Istanbul Technical University Ayazaga campus area.
Research
RF Safe Research Library
Jan 1, 2018
This study measured RF electric field intensities at 900 and 1800 MHz at 29 points on the Istanbul Technical University campus and produced spatial EMF intensity heat maps using GIS interpolation. Three interpolation methods were compared and the mapped measurements were evaluated against ICNIRP reference limits. All…
Comparison of radiofrequency electromagnetic field exposure levels in different everyday microenvironments in an international context.
Research
RF Safe Research Library
Jan 1, 2018
This exposure assessment quantified RF-EMF levels using portable, high-sampling-rate devices across 94 outdoor microenvironments and 18 public transport vehicles in six countries. Mean outdoor exposure ranged from 0.23 to 1.85 V/m, and public transport exposure ranged from 0.32 to 0.86 V/m. Exposure varied…
The Effects of Precautionary Messages about Electromagnetic Fields from Mobile Phones and Base Stations Revisited: The Role of Recipient Characteristics.
Research
RF Safe Research Library
Jan 1, 2017
This survey experiment tested how precautionary messages about RF-EMFs from mobile phones and base stations affect recipients' threat perceptions and emotional distress. The effect of precautionary information on threat perception depended on individual differences, particularly trait anxiety and gender. The study…
Electromagnetic Field Assessment as a Smart City Service: The SmartSantander Use-Case.
Research
RF Safe Research Library
Jan 1, 2017
The study presents a smart city service for electromagnetic field assessment using deployed measuring probes integrated into a city platform. Data collected for more than one year are processed to characterize E-field levels across large areas and over time. The authors report that the results validate the…
Microwave frequency electromagnetic fields (EMFs) produce widespread neuropsychiatric effects including depression
Research
RF Safe Research Library
Jan 1, 2016
This 2016 narrative review proposes that non-thermal microwave/lower-frequency EMFs act primarily through activation of voltage-gated calcium channels (VGCCs), with calcium channel blockers reported to block EMF effects. It summarizes animal, occupational, and epidemiological literature and reports that exposures…
Association of Exposure to Radio-Frequency Electromagnetic Field Radiation (RF-EMFR) Generated by Mobile Phone Base Stations with Glycated Hemoglobin (HbA1c) and Risk of Type 2 Diabetes Mellitus
Research
RF Safe Research Library
Nov 13, 2015
This cross-sectional study compared male students from two schools with different measured RF-EMFR levels inside the buildings, attributed to nearby mobile phone base stations (~200 m away). The higher-exposure school had a significantly higher mean HbA1c than the lower-exposure school. The authors also report a…
Environmental Radiofrequency Electromagnetic Fields Exposure at Home, Mobile and Cordless Phone Use, and Sleep Problems in 7-Year-Old Children
Research
RF Safe Research Library
Oct 28, 2015
This cohort study of 2,361 seven-year-old children assessed modeled residential/school RF-EMF from base stations, reported indoor sources, and children’s mobile/cordless phone use in relation to parent-reported sleep quality. Most sleep subscales were not associated with base-station RF-EMF, though sleep duration…
Validity of at home model predictions as a proxy for personal exposure to radiofrequency electromagnetic fields from mobile phone base stations
Research
RF Safe Research Library
Jan 1, 2015
This exposure-assessment study compared modeled at-home RF-EMF from mobile phone base stations (NISMap) with 24-hour personal measurements in 93 Dutch participants. Correlations were low to moderate, with better agreement for time spent at home than for the full 24-hour period. While modeled estimates could rank…
New hybrid frequency reuse method for packet loss minimization in LTE network.
Research
RF Safe Research Library
Jan 1, 2015
This engineering study addresses inter-cell interference in LTE networks as a driver of packet loss between base stations and mobile stations. It examines Soft Frequency Reuse (SFR) and implements a new hybrid frequency reuse method with greater total system bandwidth than SFR while keeping per-cell bandwidth the…
Assessment and comparison of total RF-EMF exposure in femtocell and macrocell base station scenarios.
Research
RF Safe Research Library
Jan 1, 2014
This study assessed and compared total RF-EMF exposure for a mobile-phone user in an office environment when connected to an indoor femtocell base station versus a conventional macrocell base station. Using a framework that combines near-field and far-field exposure, the authors report a 20–40× reduction in total…
Use of portable exposure meters for comparing mobile phone base station radiation in different types of areas in the cities of Basel and Amsterdam.
Research
RF Safe Research Library
Jan 1, 2014
This exposure assessment study used portable exposure meters to characterize variability and repeatability of mobile phone base station RF-EMF measurements in urban areas of Basel and Amsterdam. Reported exposure levels varied by area type and city, with downtown/business areas showing higher ranges than residential…
Investigating short-term exposure to electromagnetic fields on reproductive capacity of invertebrates in the field situation.
Research
RF Safe Research Library
Jan 1, 2014
This field experiment examined short-term (48-hour) exposure to RF EMF from a GSM 900 MHz mobile phone base station on reproductive endpoints in four invertebrate species. The study reports no significant effects of exposure metrics on fecundity or number of offspring, and notes that distance was not a suitable proxy…
Exposure Knowledge and Risk Perception of RF EMF.
Research
RF Safe Research Library
Jan 1, 2014
This cross-sectional survey study (LEXNET project) examined how subjective exposure knowledge relates to risk perception (RP) for different RF EMF sources. Respondents were more concerned about base stations than other sources. Regression results suggested that most exposure-characteristic features (except distance)…
Advancing profiling sensors with a wireless approach.
Research
RF Safe Research Library
Jan 1, 2012
This engineering paper describes a wireless implementation of a near-infrared profiling sensor using multiple sensor nodes and a base station for data preprocessing and realignment. It reports an enhanced classification approach using a back-propagation neural network to categorize objects as human, animal, or…
[Study on atmospheric VOCs in Gongga Mountain base station].
Research
RF Safe Research Library
Jan 1, 2012
This study measured atmospheric VOCs at the Gongga Mountain base station using weekly samples collected in 2007 and analyzed by preconcentration plus GC-MS. It reports mean concentrations of TVOCs and NMHCs, describes VOC composition, and uses PCA-based receptor modeling to attribute sources. The authors report…
Design and implementation of a wireless sensor network-based remote water-level monitoring system.
Research
RF Safe Research Library
Jan 1, 2011
This article reports an engineering implementation of a wireless sensor network-based remote water-level monitoring system. The system includes field sensors, a base station, a data center, and a web publishing module, and is described as providing real-time monitoring and anti-jamming capability. The authors state…