[Electormagnetic field of the mobile phone base station: case study].

Medycyna pracy · 2011 · Mixed · Low evidence

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MixedLow evidencePaper 4451

Study snapshot

PublicationMedycyna pracy · 2011

Study typeexposure_assessment

Reported directionMixed

Evidence ratingLow

Abstract

BACKGROUND: The paper presents changes in the electromagnetic field intensity in a school building and its surrounding after the mobile phone base station installation on the roof of the school. MATERIAL AND METHODS: The comparison of EMF intensity measured before the base station was launched (electromagnetic background measurement) and after starting its operation (two independent control measurements) is discussed. RESULTS: Analyses of measurements are presented and the authors also propose the method of the electromagnetic field distribution adjustment in the area of radiation antennas side lobe to reduce the intensity of the EMF level in the base station proximity. The presented method involves the regulation of the inclination. CONCLUSIONS: On the basis of the measurements, it was found that the EMF intensity increased in the building and its surroundings, but the values measured with wide margins meet the requirements of the Polish law on environmental protection.

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AI evidence extraction

Structured fields below were generated from the paper’s abstract and metadata to make the evidence easier to inspect. Automated extraction may be incomplete or incorrect; verify important details against the original paper.

Study typeexposure_assessment

Effect directionmixed

PopulationNot supplied

Sample sizeNot supplied

ExposureNot supplied

Evidence strengthLowConfidence: 74% · Peer reviewed: yes

Main findings

EMF intensity in the school building and surrounding area increased after installation/operation of a mobile phone base station on the school roof. Despite the increase, measured values met Polish environmental protection legal requirements with wide margins; the authors also propose adjusting antenna inclination to reduce EMF intensity near the base station (side lobe area).

Outcomes measured

Electromagnetic field (EMF) intensity in a school building and its surroundings before vs after base station operation
Effect of antenna inclination adjustment on EMF distribution/intensity near the base station (side lobe area)

Limitations

Frequency band and measurement metrics/units are not specified in the abstract.
No sample size or number of measurement points/locations is reported.
Study is a single case study in one school setting, limiting generalizability.
Details of the proposed adjustment method and its quantified impact are not provided in the abstract.

View raw extracted JSON

{
  "study_type": "exposure_assessment",
  "exposure": {
    "band": null,
    "source": "mobile phone base station",
    "frequency_mhz": null,
    "sar_wkg": null,
    "duration": null
  },
  "population": null,
  "sample_size": null,
  "outcomes": [
    "Electromagnetic field (EMF) intensity in a school building and its surroundings before vs after base station operation",
    "Effect of antenna inclination adjustment on EMF distribution/intensity near the base station (side lobe area)"
  ],
  "main_findings": "EMF intensity in the school building and surrounding area increased after installation/operation of a mobile phone base station on the school roof. Despite the increase, measured values met Polish environmental protection legal requirements with wide margins; the authors also propose adjusting antenna inclination to reduce EMF intensity near the base station (side lobe area).",
  "effect_direction": "mixed",
  "limitations": [
    "Frequency band and measurement metrics/units are not specified in the abstract.",
    "No sample size or number of measurement points/locations is reported.",
    "Study is a single case study in one school setting, limiting generalizability.",
    "Details of the proposed adjustment method and its quantified impact are not provided in the abstract."
  ],
  "evidence_strength": "low",
  "confidence": 0.74,
  "peer_reviewed_likely": "yes",
  "keywords": [
    "electromagnetic field",
    "EMF intensity",
    "school building",
    "mobile phone base station",
    "environmental measurements",
    "antenna inclination",
    "side lobe",
    "Polish law"
  ],
  "suggested_hubs": [
    {
      "slug": "school-wi-fi",
      "weight": 0.35,
      "reason": "Study setting is a school building; exposure source is a roof-mounted mobile phone base station (not Wi‑Fi, but school-related EMF exposure assessment)."
    }
  ]
}

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AI-extracted fields are generated from the abstract and metadata and may be incomplete or incorrect. This material is for informational purposes and is not medical advice.

Identifiers and source

DOI: Not supplied
PubMed: 21748882

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