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Radio Frequency

Measurement and analysis of radiofrequency radiations from some mobile phone base stations in Ghana.

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Amoako JK, Fletcher JJ, Darko EO. · 2009

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Cell tower radiation in Ghana measured 20 times higher than similar international studies, despite meeting safety guidelines.

Plain English Summary

Summary written for general audiences

Researchers measured radiofrequency radiation levels around 50 cell phone towers in Ghana to assess public exposure. They found radiation levels that were 20 times higher than typically measured in similar studies elsewhere, though still within international safety guidelines. The study highlights significant variation in exposure levels around cell towers and raises concerns about increasing radiation as mobile phone usage grows.

Why This Matters

This study reveals a troubling pattern we see repeatedly in EMF research: exposure levels that technically comply with safety guidelines but exceed what's typically found elsewhere by substantial margins. The 20-fold difference compared to other countries suggests either measurement methodology issues or genuinely higher exposure conditions in Ghana's telecommunications infrastructure. What makes this particularly concerning is the researchers' own conclusion that current levels need reduction, especially given projected increases in mobile phone usage. The science demonstrates that even 'compliant' levels can vary dramatically between locations, and regulatory bodies often set guidelines based on industry-favorable interpretations of safety data. Put simply, meeting current safety standards doesn't necessarily mean the exposure is without risk, particularly when independent researchers are calling for reductions in these supposedly 'safe' levels.

Exposure Details

Power Density
0.000000001 - 0.000001 µW/m²
Source/Device
900 MHz

Where This Falls on the Concern Scale

Study Exposure Level in ContextStudy Exposure Level in ContextThis study: 0.000000001 - 0.000001 µW/m²Extreme Concern - 1,000 uW/m2FCC Limit - 10M uW/m2Effects observed in the No Concern rangeFCC limit is 10,000,000,000,000,000x higher than this level
A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 900 MHz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 900 MHzPower lines50/60 Hz5G mm28 GHzLogarithmic scale

Study Details

A survey of the radiofrequency electromagnetic radiation at public access points in the vicinity of 50 cellular phone base stations has been carried out. The primary objective was to measure and analyse the electromagnetic field strength levels emitted by antennae installed and operated by the Ghana Telecommunications Company.

On all the sites measurements were made using a hand-held spectrum analyser to determine the electri...

The results were found to be in compliant with the International Commission on Non-ionizing Radiolog...

There is therefore a need to re-assess the situation to ensure reduction in the present level as an increase in mobile phone usage is envisaged within the next few years.

Cite This Study
Amoako JK, Fletcher JJ, Darko EO. (2009). Measurement and analysis of radiofrequency radiations from some mobile phone base stations in Ghana. Radiat prot dosimetry. 135(4):256-260, 2009.
Show BibTeX
@article{jk_2009_measurement_and_analysis_of_818,
  author = {Amoako JK and Fletcher JJ and Darko EO.},
  title = {Measurement and analysis of radiofrequency radiations from some mobile phone base stations in Ghana.},
  year = {2009},
  
  url = {https://pubmed.ncbi.nlm.nih.gov/19584141/},
}
PubMed: 19584141

Cited By (20 papers)

Quick Questions About This Study

Cell phone towers emit radiofrequency radiation that varies significantly by location. A 2009 Ghana study found radiation levels 20 times higher than typical measurements elsewhere, though still within international safety guidelines. The researchers recommended reassessing exposure levels as mobile phone usage increases.
Cell phone tower radiation levels vary dramatically between locations. Research in Ghana measured 900 MHz emissions from 50 towers and found levels 20 times higher than similar studies worldwide. Despite meeting international safety standards, researchers called for reducing current exposure levels.
Cell tower radiation exposure varies widely depending on your location and tower characteristics. A Ghana study found radiation levels 20 times higher than typically measured elsewhere, though within safety guidelines. Scientists recommend monitoring exposure levels as mobile phone networks expand.
900 MHz radiation from cell towers shows significant variation in exposure levels. Ghana researchers found emissions 20 times higher than similar international studies, though still compliant with safety guidelines. They recommended reassessing current levels due to increasing mobile phone usage.
Cell phone base station radiation exposure varies significantly between locations. A 2009 study in Ghana found radiation levels 20 times higher than typically measured in other countries, while remaining within international safety limits. Researchers suggested reducing current exposure levels.