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See caption leftSee caption right
Left: ASOS Sensor
Group: Sunrise
in Salinas, CA (SNS)



Right: ASOS on NWS Headquarters roof
in Silver Spring, MD


ASOS Basics and Resources

ASOS Technical Info

What is ASOS?
What Does ASOS do?

ASOS User's Guide
Change for Ice Pellets 
User's Guide Appendices
.
If you have trouble viewing Table 4, and Figures 1, 18-19, see 
ASOS Charts
. PDF

ASOS Sites (FAA)
ASOS Tech News Page
(restricted site)
ASOS data via FTP
ASOS Station Information

Trainer's Tool Kit

ASOS Test Systems
Computing Magnetic Wind Direction ASOS Product Improvements:
Policy Directive

NOAA, National Weather Service
1325 East West Highway
Silver Spring, MD 20910
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