ASOS
National Program
PR Form 500-10C, Visibility Chart
WSF B-14, Notice of Corrections
PR Form B-15-1, Record of Synoptic Observations
PR Form B-15-2, Record of Synoptic Observations
WSF 10-13-1 Certificate of Authority
WSF 10-13-10 Inspection Report
WSF 10-13-9 Inspection Checklist
WSF 10-13-7 Cooperative Agreement for Aviation Weather Observations
US Dept of Commerce
National Oceanic and Atmospheric Administration
National Weather Service
ASOS
1325 East West Highway
Silver Spring, MD 20910
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