SESKStuff Everyone Should Know
SESK: Stuff Everyone Should Know · sesk.info/hamg-g0a01

What is one way that RF energy can affect human body tissue?

It heats body tissue.

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  1. It causes radiation poisoning
  2. It heats body tissue ✔
  3. It causes dangerously low blood count

Why: RF energy can heat body tissue. That is why the FCC sets exposure limits and expects amateurs to evaluate their stations.

Huh, didn't know that: A signal's duty cycle, frequency and power density are all used to determine RF exposure.

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References

Answer: It heats body tissue. RF energy can heat body tissue. That is why the FCC sets exposure limits and expects amateurs to evaluate their stations.

  1. NCVEC 2023-2027 General Class Pool and Syllabus (6th Errata, Feb 4 2026) ncvec.org/downloads/General%20Class%20Pool%20and%20Syllabus%202023-2027%20Public%20Release%20with%206th%20Errata%20Feb%204%202026.pdf
    What is one way that RF energy can affect human body tissue? A. It heats body tissue
    Checked 2026-10-11.
  2. NCVEC 2023-2027 General Class Pool and Syllabus (6th Errata, Feb 4 2026) ncvec.org/downloads/General%20Class%20Pool%20and%20Syllabus%202023-2027%20Public%20Release%20with%206th%20Errata%20Feb%204%202026.pdf
    Which of the following is used to determine RF exposure from a transmitted signal?
    Checked 2026-10-11.
  3. NCVEC 2023-2027 General Class Pool and Syllabus (6th Errata, Feb 4 2026) ncvec.org/downloads/General%20Class%20Pool%20and%20Syllabus%202023-2027%20Public%20Release%20with%206th%20Errata%20Feb%204%202026.pdf
    D. All these choices are correct
    Checked 2026-10-11.
  4. ARRL RF Exposure www.arrl.org/rf-exposure
    the rules which took effect on May 3, 2021 now require amateur radio operators to perform station evaluations
    Checked 2026-10-11.

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Ham RadioWhich stations are subject to the FCC rules on RF exposure?Ham RadioIf your station's RF energy exceeds permissible human exposure limits, what must you do?Ham RadioOn which HF bands do General licensees have some off-limits portions?

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