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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 2025
All Titles
Title 47
Chapter I
Part 87
Subpart S - Subpart S—Automatic Weather Stations (AWOS/ASOS)
§ 87.525 - Scope of service.
§ 87.527 - Supplemental eligibility.
§ 87.529 - Frequencies.
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