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SESK: Stuff Everyone Should Know · sesk.info/hamg-prb1

How may state and local governments regulate amateur antenna structures?

Reasonably accommodate ham radio, with the minimum practical rules.

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  1. Not at all, FCC rules always win
  2. Only if the structure is over 50 feet tall
  3. Reasonably accommodate ham radio with minimum practical rules ✔

Why: This is the PRB-1 rule. Local governments may regulate, but must reasonably accommodate amateur communications and keep the regulation to the minimum practical.

Huh, didn't know that: PRB-1 comes from a 1985 FCC ruling, 101 FCC 2d 952.

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References

Answer: Reasonably accommodate ham radio with minimum practical rules. This is the PRB-1 rule. Local governments may regulate, but must reasonably accommodate amateur communications and keep the regulation to the minimum practical.

  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
    Amateur Service communications must be reasonably accommodated
    Checked 2026-10-11.
  2. 47 CFR 97.15 (Cornell LII mirror of eCFR) www.law.cornell.edu/cfr/text/47/97.15
    it must reasonably accommodate such communications and must constitute the minimum practicable regulation
    Checked 2026-10-11.

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