47 CFR Part 97 — Amateur Radio Service Rules
FCC via eCFR (ecfr.gov)
The actual legal rules for amateur operation, including 97.403/97.405 emergency-communications provisions — authoritative companion to the question pools.
Editor's notes
Regulations change; timestamp the snapshot and refresh periodically. eCFR page redirects (302) before serving — scrape the govinfo XML for clean offline rendering.
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Source & license
US government edict/regulation — public domain, no copyright.
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